critical · 10

A security flaw has been discovered in TOTOLINK A950RG 4.1.2cu.5268_B20221104.

CVE-2026-116508 · GHSA-5vj6-9qxv-4h93 · EUVD-2026-110471 · published 26 Oct 2026

How serious is it

  • Severity: critical, CVSS score 10 out of 10.
  • No exploit prediction (EPSS) score yet.
  • Not on the CISA list of exploited vulnerabilities.
  • No public exploit in Exploit-DB.

Is your app affected by CVE-2026-116508?

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Who is affected

  • Totolink A950RG: 4.1.2cu.5268_B20221104

How to check

  1. Find out whether you run the affected product and which version, then compare it with the versions above.

How to fix

Copies a prompt for Claude Code, Cursor or Codex that asks it to check whether you run this product.
  1. Apply the vendor's update or mitigation from the references below. If there is none yet, limit exposure of the affected service until there is.
  2. If a vulnerable version was live, check your logs and rotate the secrets that server could read.

The advisory

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.

Check your whole app

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References

Merged from ENISA EUVD. Last updated 27 Oct 2026. All vulnerabilities · RSS · JSON

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