Vulnerability · Published Oct 26, 2026 · Assigned by VulDB
CVE-2026-116505TOTOLINK A950RG device-information udhcpd.leases getDeviceInfo command injection
Critical 9.1
In plain English
A critical-severity command injection in A950RG from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)2.7%top 13.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This impacts the function getDeviceInfo of the file /var/lib/misc/udhcpd.leases of the component device-information Handler. The manipulation of the argument MAC address results in command injection. The attack can be launched remotely. The exploit has been made public and could be used.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-426403 | TOTOLINK A950RG device-information udhcpd.leases getDeviceInfo command injection vdb-entry, technical-description
- VDB-426403 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-116505 | CVE Analysis and Report third-party-advisory
- Submit #1022554 | TOTOLINK A950RG V4.1.2cu.5268_B20221104 Command Injection third-party-advisory
- https://gist.github.com/H3rmesk1t/836a8c4be24fcc4b7041b4bbe9cbb178 exploit
- https://www.totolink.net/ product