RCE in Totolink A950rg
CVE-2026-116505
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.
Published .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Totolink A950rg — versions 4.1.2cu.5268_B20221104
Weakness classification (CWE)
References
- vuldb.com/vuln/426403 (technical-description, vdb-entry)
- vuldb.com/vuln/426403/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-116505 (third-party-advisory)
- vuldb.com/submit/1022554 (third-party-advisory)
- gist.github.com/H3rmesk1t/836a8c4be24fcc4b7041b4bbe9cbb178 (exploit)
- www.totolink.net/ (product)
Frequently asked questions
- What is CVE-2026-116505?
- CVE-2026-116505 is a critical-severity vulnerability in Totolink A950rg, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.1/10. Published 2026-10-26.
- How severe is CVE-2026-116505?
- Critical severity. CVSS v3 base score is 9.1 out of 10.