Vulnerability details
CVE-2026-121932
Linksys E5350
Linksys E5350 apply.cgi system os command injection
CVSS 4.0
10.0Critical
Official description
A vulnerability was detected in Linksys E5350 1.0.00.037. This affects the function system of the file /wizard/apply.cgi. Performing a manipulation of the argument ping_ip/traceroute_ip results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 10.0Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| 10.0Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C |
| 10.0Critical | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C |
| 10.0High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linksys | E5350 | 1.0.00.037 | CVEProject cvelistV5 (CNA) |
References and advisories
7- https://vuldb.com/vuln/431044 vdb-entrytechnical-description
- https://vuldb.com/vuln/431044/cti signaturepermissions-required
- https://vuldb.com/cve/CVE-2026-121932 third-party-advisory
- https://vuldb.com/submit/1024275 third-party-advisory
- https://vuldb.com/submit/1024277 third-party-advisory
- https://github.com/Zimo-666/E5350-cves/tree/main/01-wizard-preauth-command-injection exploit
- https://www.linksys.com/ product
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Details
- Published
- 2026-11-04
- Last updated
- 2026-11-09
- State
- Published
- Assigner (CNA)
- VulDB
- Kolun priority
- 46 · Medium
Exploit prediction (EPSS)
2.38%
Probability of exploitation in 30 days
83.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-78OS Command Injection
- CWE-77Command Injection