CVE-2026-51631: TOTOLINK T6 · Improper Access Control
Source CVE Database V5
Not known to be exploited · CVSS 4.3 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 28 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
Until a fix is available, restrict access to the affected endpoint where possible, such as by network segmentation or firewall rules limiting access to trusted users only.
Description
Incorrect access control in the getStaticDhcpRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain WPS runtime status via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
References
- totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html (opens in a new tab)
- totolink.net (opens in a new tab)
- github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md (opens in a new tab)
- github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md (opens in a new tab)