CVE-2026-51634

MEDIUMCVSS 4.3/10EPSS 0.18%

Last modified

CVE-2026-51634 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Incorrect access control in the getWiFiBasicCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain core wireless settings, including SSIDs and Wi-Fi keys, via sending a crafted POST request to /cgi-bin/cstecgi.cgi.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

Incorrect access control in the getWiFiBasicCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain core wireless settings, including SSIDs and Wi-Fi keys, via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Metrics

EPSS Probability
0.18%

7.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
——n/a

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-51634?
Incorrect access control in the getWiFiBasicCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain core wireless settings, including SSIDs and Wi-Fi keys, via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
How severe is CVE-2026-51634?
CVE-2026-51634 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-51634?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST