Vulnerability · Published May 31, 2026 · Assigned by VulDB
CVE-2026-10187Totolink N300RH Web Management wireless.so setWiFiBasicConfig stack-based overflow
Critical 9.8
In plain English
A critical-severity stack buffer overflow in N300RH from Totolink. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 7.3% (higher than 94% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
A vulnerability was detected in Totolink N300RH 6.1c.1353_B20190305. Affected by this issue is the function setWiFiBasicConfig of the file wireless.so of the component Web Management Interface. Performing a manipulation of the argument KeyStr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-367468 | Totolink N300RH Web Management wireless.so setWiFiBasicConfig stack-based overflow vdb-entry, technical-description
- VDB-367468 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-10187 | CVE Analysis and Report third-party-advisory
- Submit #819971 | Totolink N300RHv4 V6.1c.1353_B20190305 stack-based buffer overflow third-party-advisory
- Submit #820133 | Totolink N300RHv4 V6.1c.1353_B20190305 stack-based buffer overflow (Duplicate) third-party-advisory
- https://wx.mail.qq.com/s?k=iXbjuHnfMwoD0oWW3v exploit
- https://www.totolink.net/ product