---
id: CVE-2026-116508
title: >-
  TOTOLINK A950RG Device-Information CGI infostat.cgi sub_402340 stack-based
  overflow
summary: >-
  A security flaw has been discovered in TOTOLINK A950RG 4.1.2cu.5268_B20221104.
  Affected by this issue is the function sub_402340 of the file infostat.cgi of
  the component Device-Information CGI. Performing a manipulation of the
  argument …
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'
cvssSource: cna
cwe:
  - CWE-121
  - CWE-119
vendor: TOTOLINK
product: A950RG
affected:
  - A950RG 4.1.2cu.5268_B20221104
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T21:30:18.376Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116508'
references:
  - url: 'https://vuldb.com/vuln/426406'
    label: >-
      VDB-426406 | TOTOLINK A950RG Device-Information CGI infostat.cgi
      sub_402340 stack-based overflow
  - url: 'https://vuldb.com/vuln/426406/cti'
    label: 'VDB-426406 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-116508'
    label: CVE-2026-116508 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1022557'
    label: >-
      Submit #1022557 | TOTOLINK A950RG V4.1.2cu.5268_B20221104 Stack Buffer
      Overflow
  - url: 'https://gist.github.com/H3rmesk1t/ad72def4ccc232757d4cbabf45da72cb'
  - url: 'https://www.totolink.net/'
tags:
  - cve.org
epss: 0.00609
epssPercentile: 0.48926
ingestedAt: '2026-10-27T16:11:59.117Z'
---

## Overview

A security flaw has been discovered in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this issue is the function sub_402340 of the file infostat.cgi of the component Device-Information CGI. Performing a manipulation of the argument CONTENT_LENGTH results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

## Affected

- `A950RG 4.1.2cu.5268_B20221104`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.