Totolink has 87 CVEs on record between 2022 and 2026. Disclosure cadence is accelerating: 54 in the last 90 days against 0 in the 90 before. The busiest recent month was October 2026 with 42. The median CVSS is 9.1 (critical), with 59 rated critical. None have a confirmed exploitation report. The dominant weakness classes are CWE-121 (29) and CWE-119 (24). Most affected products: Totolink (30), A3002MU (13), a3300r_firmware (8).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 9.1
- Publish → KEV
- —
- Last 90 days
- 54 prev 0
Weakness classes
Products
- Totolink 30
- A3002MU 13
- a3300r_firmware 8
- A950RG 6
- a3100r_firmware 6
- a702r_firmware 5
Worst active — by depth score
CVE-2026-116504Critical· 9.9TOTOLINK A950RG Cloud Upgrade upgrade.so setCloudUpgradeFW command injection67CVE-2026-114575Critical· 10.0TOTOLINK A950RG product.so UploadCustomModule command injection67CVE-2026-114383Critical· 10.0TOTOLINK EX200 wireless.so cstecgi.cgi setWiFiAclAddConfig stack-based overflow67CVE-2026-114382Critical· 10.0TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow67CVE-2026-105484Critical· 10.0A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B2023011667
Totolink vulnerabilities
CVEs affecting Totolink, newest first. Open any entry for full detail, references, and exploit status.
87 CVEsRSS
CVE-2026-42019Critical· 9.1Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup pppoe functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup pppoe functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitrary code execution. A…
CVE-2026-42020Critical· 9.1Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup pppoe functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup pppoe functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitrary code execution. A…
CVE-2026-41222Critical· 9.1A stack-based buffer overflow vulnerability exists in the boa formParentControl url functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327)
A stack-based buffer overflow vulnerability exists in the boa formParentControl url functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An…
CVE-2026-40615Critical· 9.1A stack-based buffer overflow vulnerability exists in the boa formParentControl deviceName functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327)
A stack-based buffer overflow vulnerability exists in the boa formParentControl deviceName functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execut…
CVE-2026-40627Critical· 9.1An os command injection vulnerability exists in the boa formWsc targetAPSsid functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327
An os command injection vulnerability exists in the boa formWsc targetAPSsid functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitrary code execution. An attacker ca…
CVE-2026-28763Critical· 9.1A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice hostname functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327)
A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice hostname functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution…
CVE-2026-41223Critical· 9.1A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice macstr functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327)
A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice macstr functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. …
CVE-2026-35499Critical· 9.1An os command injection vulnerability exists in the boa formWsc peerRptPin functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327
An os command injection vulnerability exists in the boa formWsc peerRptPin functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitrary code execution. An attacker can …
CVE-2026-105484Critical· 10.0PoCA security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116
A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the function firmware_check of the file /cgi-bin/cstecgi.cgi of the component UploadFirmwareFile Handler. Such manipulation of t…
CVE-2026-105286Medium· 6.3PoCA vulnerability was detected in Totolink A3002MU 1.0.0-B20230403.1455
A vulnerability was detected in Totolink A3002MU 1.0.0-B20230403.1455. This impacts the function sub_44B250 of the file /boafrm/formUploadFile of the component File Upload Handler. The manipulation of the argument filename results in pat…
CVE-2026-105285Critical· 10.0PoCA security vulnerability has been detected in Totolink A3002MU 1.0.0-B20230403.1455
A security vulnerability has been detected in Totolink A3002MU 1.0.0-B20230403.1455. This affects an unknown function of the file /boafrm/formIpQoS of the component QoS Rule Handler. The manipulation of the argument addQos/comment/entry_…
CVE-2026-105284Critical· 10.0PoCA weakness has been identified in Totolink A3002MU 1.0.0-B20230403.1455
A weakness has been identified in Totolink A3002MU 1.0.0-B20230403.1455. The impacted element is the function sub_40FCFC of the file /bin/boa of the component Authentication Check. Executing a manipulation can lead to improper authorizat…
CVE-2026-100896Critical· 9.9PoCA weakness has been identified in TOTOLINK N150RT 3.4.0-B20201030
A weakness has been identified in TOTOLINK N150RT 3.4.0-B20201030. The affected element is the function system of the file /boafrm/formWlSiteSurvey of the component Web Management Interface. This manipulation of the argument wlanif cause…
CVE-2026-93742Critical· 9.9PoCA weakness has been identified in Totolink A3002MU Hh-B20211125.1046
A weakness has been identified in Totolink A3002MU Hh-B20211125.1046. Affected by this issue is the function formWsc of the file /boafrm/formWsc. This manipulation of the argument localPin causes command injection. The attack can be init…
CVE-2026-93741Critical· 10.0PoCA security flaw has been discovered in Totolink A3002MU Hh-B20211125.1046
A security flaw has been discovered in Totolink A3002MU Hh-B20211125.1046. Affected by this vulnerability is the function formWlWds of the file /boafrm/formWlWds. The manipulation of the argument submit-url results in buffer overflow. It…
CVE-2026-93740Critical· 10.0PoCA vulnerability was identified in Totolink A3002MU Hh-B20211125.1046
A vulnerability was identified in Totolink A3002MU Hh-B20211125.1046. Affected is the function formWlEncrypt of the file /boafrm/formWlEncrypt. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initi…
CVE-2026-93739Critical· 9.9PoCA vulnerability was determined in Totolink A3002MU Hh-B20211125.1046
A vulnerability was determined in Totolink A3002MU Hh-B20211125.1046. This impacts the function formWlAc of the file /boafrm/formWlAc. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be per…
CVE-2026-93738Critical· 9.9PoCA vulnerability was found in Totolink A3002MU Hh-B20211125.1046
A vulnerability was found in Totolink A3002MU Hh-B20211125.1046. This affects the function formSchedule of the file /boafrm/formSchedule. Performing a manipulation of the argument webpage results in buffer overflow. The attack is possibl…
CVE-2026-91853High· 7.4PoCA vulnerability has been found in TOTOLINK X5000R 9.1.0cu.2089_B20211224
A vulnerability has been found in TOTOLINK X5000R 9.1.0cu.2089_B20211224. The impacted element is the function exportOvpn of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user of the component Export Ovpn Handler. The manipulation…
CVE-2026-90608Critical· 9.9PoCA flaw has been found in Totolink A3002MU Hh-B20211125.1046
A flaw has been found in Totolink A3002MU Hh-B20211125.1046. The affected element is the function formPortFw of the file /boafrm/formPortFw of the component boa. This manipulation of the argument service_type causes buffer overflow. It i…
CVE-2026-90606Critical· 9.9PoCA security vulnerability has been detected in Totolink A3002MU Hh-B20211125.1046
A security vulnerability has been detected in Totolink A3002MU Hh-B20211125.1046. This issue affects the function formIpv6Setup of the file /boafrm/formIpv6Setup of the component boa. The manipulation of the argument static_ipv6 leads to…
CVE-2026-90605Critical· 9.9PoCA weakness has been identified in Totolink A3002MU Hh-B20211125.1046
A weakness has been identified in Totolink A3002MU Hh-B20211125.1046. This vulnerability affects the function formFilter of the file /boafrm/formFilter of the component boa. Executing a manipulation of the argument ip6addr can lead to bu…
CVE-2026-90604Low· 3.5PoCA security flaw has been discovered in Totolink A3002MU Hh-B20211125.1046
A security flaw has been discovered in Totolink A3002MU Hh-B20211125.1046. This affects an unknown part of the component Anchor Tag Handler. Performing a manipulation results in cross site scripting. Remote exploitation of the attack is …
CVE-2026-90607Critical· 9.9PoCA vulnerability was detected in Totolink A3002MU Hh-B20211125.1046
A vulnerability was detected in Totolink A3002MU Hh-B20211125.1046. Impacted is the function formNewSchedule of the file /boafrm/formNewSchedule of the component boa. The manipulation of the argument submit-url results in buffer overflow…
CVE-2026-26731High· 8.8PoCTOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.
TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.
CVE-2025-55895Critical· 9.1TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control
TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control. Attackers can send payloads to the interface without logging in (remote).
CVE-2025-55901Medium· 6.5TOTOLINK A3300R V17.0.0cu.596_B20250515 is vulnerable to command injection in the function NTPSyncWithHost via the host_time parameter.
TOTOLINK A3300R V17.0.0cu.596_B20250515 is vulnerable to command injection in the function NTPSyncWithHost via the host_time parameter.
CVE-2025-55893Medium· 6.5TOTOLINK N200RE V9.3.5u.6437_B20230519 is vulnerable to command Injection in setOpModeCfg via hostName.
TOTOLINK N200RE V9.3.5u.6437_B20230519 is vulnerable to command Injection in setOpModeCfg via hostName.
CVE-2025-14586Medium· 6.3A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224
A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224. Affected by this issue is the function snprintf of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user. This manipulation of the argument User causes os comm…
CVE-2025-13184Critical· 9.8Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution)
Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution). Earlier versions that share the sam…