CVE-2026-114383Critical· 10.0▾ AbyssalPoC availableA weakness has been identified in TOTOLINK EX200 5.2.3c.7200. This impacts the function setWiFiAclAddConfig of the file /cgi-bin/cstecgi.cgi of the component wireless.so. This manipulation of the argument macAddress causes stack-based bu…
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 55 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 23.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.7%
Last analysed / modified upstream
Exploit / PoC code exists
A weakness has been identified in TOTOLINK EX200 5.2.3c.7200. This impacts the function setWiFiAclAddConfig of the file /cgi-bin/cstecgi.cgi of the component wireless.so. This manipulation of the argument macAddress causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
EX200 5.2.3c.7200Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-114382Critical· 10.0TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow
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CVE-2025-12260High· 8.8A vulnerability has been found in TOTOLINK A3300R 17.0.0cu.557_B20221024
CVE-2025-12259High· 8.8A flaw has been found in TOTOLINK A3300R 17.0.0cu.557_B20221024
CVE-2025-12258High· 8.8A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024