Track vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
8.6
CVE-2026-116504: TOTOLINK A950RG allows remote code execution via firmware update
CVE-2026-116504 · published 1 day ago
Summary
The A950RG router running version 4.1.2 can be tricked into running unwanted commands when an attacker supplies a crafted file name during a cloud firmware upgrade. Because the attack can be launched over the internet, a malicious party could gain control of the router. Update the device to the latest firmware released by the vendor or disable the cloud upgrade feature until a patch is applied.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| totolink | a950rg | 4.1.2cu.5268_B20221104 |
Original advisory text
TOTOLINK A950RG Cloud Upgrade upgrade.so setCloudUpgradeFW command injection
A vulnerability has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setCloudUpgradeFW of the file lib/cste_modules/upgrade.so of the component Cloud Upgrade. The manipulation of the argument FileName leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Severity
8.6
High
Type
CWE-77Command Injection
CWE-74Injection
Timeline
Published26 Oct 2026
Updated27 Oct 2026
First seen26 Oct 2026
Track software like this
Free during beta