CVE-2026-51621 Information disclosure in n/a
Unauthenticated attackers can obtain sensitive device configuration information from TOTOLINK T6 routers via a crafted POST request.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-51621?
CVE-2026-51621 is a high-severity vulnerability in n/a, published on 28 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Incorrect access control in the getInitCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain sensitive device configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Weakness: CWE-284
Which versions are affected by CVE-2026-51621?
How do I fix CVE-2026-51621?
No fix has been published for CVE-2026-51621 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-51621 being exploited?
There is no known exploitation of CVE-2026-51621 in the wild and no public exploit code.
Sources
Also known as GHSA-24gj-cqmc-xxh9.