CVE-2026-121932
Linksys E5350 apply.cgi system os command injection
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| E5350 Linksys |
1.0.00.037 (affected) | CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 10.0 critical |
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 | CNA: VulDB |
| 3.1 / 10.0 critical |
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 | CNA: VulDB |
| 3.0 / 10.0 critical |
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 | CNA: VulDB |
| 2.0 / 10.0 critical |
AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C | CNA: VulDB |
Exploit evidence
References
- https://vuldb.com/vuln/431044CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/431044/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-121932CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1024275CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1024277CNA: VulDB · third-party-advisory
- https://github.com/Zimo-666/E5350-cves/tree/main/01-wizard-preauth-command-injectionCNA: VulDB · exploit
- https://www.linksys.com/CNA: VulDB · product
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