Vulnerability Description
A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Totolink | Lr350 Firmware | 9.3.5u.6369_b20220309 |
| Totolink | Lr350 | - |
Related Weaknesses (CWE)
References
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiGuestCfg-32153a41ExploitThird Party Advisory
- https://vuldb.com/?ctiid.353863Permissions RequiredVDB Entry
- https://vuldb.com/?id.353863Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.778274Third Party AdvisoryVDB Entry
- https://www.totolink.net/Product
FAQ
What is CVE-2026-4976?
CVE-2026-4976 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid resul...
How severe is CVE-2026-4976?
CVE-2026-4976 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4976?
Check the references section above for vendor advisories and patch information. Affected products include: Totolink Lr350 Firmware, Totolink Lr350.