CVE-2026-116505 TOTOLINK A950RG device-information udhcpd.leases getDeviceInfo command injection
Critical 9.4
Published
Updated
Check this codebase for CVE-2026-116505 and fix it if it is affected.
What it is: CVE-2026-116505 is a critical vulnerability in TOTOLINK A950RG, published on 26 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-116505 in the wild and no public exploit code.
Affected product: TOTOLINK A950RG. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-116505/ (Markdown: https://insights.sbomify.com/CVE-2026-116505/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-116505?
CVE-2026-116505 is a critical vulnerability in TOTOLINK A950RG, published on 26 Oct 2026.
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.
Which versions are affected by CVE-2026-116505?
How do I fix CVE-2026-116505?
No fix has been published for CVE-2026-116505 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-116505 being exploited?
There is no known exploitation of CVE-2026-116505 in the wild and no public exploit code.
Sources
Also known as GHSA-ffcw-mgqm-526x.