Vulnerability details
CVE-2026-116504
Totolink A950RG
TOTOLINK A950RG Cloud Upgrade upgrade.so setCloudUpgradeFW command injection
CVSS 4.0
9.4Critical
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.4Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| 9.9Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 9.9Critical | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 9.0High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Totolink | A950RG | 4.1.2cu.5268_B20221104 | CVEProject cvelistV5 (CNA) |
References and advisories
6- https://vuldb.com/vuln/426402 vdb-entrytechnical-description
- https://vuldb.com/vuln/426402/cti signaturepermissions-required
- https://vuldb.com/cve/CVE-2026-116504 third-party-advisory
- https://vuldb.com/submit/1022553 third-party-advisory
- https://gist.github.com/H3rmesk1t/c2f2dcfdb6238a7ddb8fb0622ad52948 exploit
- https://www.totolink.net/ product
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Details
- Published
- 2026-10-27
- Last updated
- 2026-10-27
- State
- Published
- Assigner (CNA)
- VulDB
- Kolun priority
- 43 · Medium
Exploit prediction (EPSS)
1.54%
Probability of exploitation in 30 days
75.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-77Command Injection
- CWE-74Injection