CVE-2025-9575: Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 upload.cgi cgiMain os command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-08-28 · updated 2026-06-17
Weakness: CWE-77

Description

A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. This issue affects the function cgiMain of the file /cgi-bin/upload.cgi. Executing manipulation of the argument filename can lead to os command injection. The attack may be performed from a remote location. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Linksys Re6250 Firmware: 1.0.04.001
Linksys Re6300 Firmware: 1.2.07.001
Linksys Re6350 Firmware: 1.0.04.001
Linksys Re6500 Firmware: 1.0.013.001
Linksys Re7000 Firmware: 1.1.05.003
Linksys Re9000 Firmware: 1.0.04.002

References

https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_13/13.md
https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_13/13.md#poc
https://vuldb.com/?ctiid.321689
https://vuldb.com/?id.321689
https://vuldb.com/?submit.634840
https://www.linksys.com/
https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_13/13.md
https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_13/13.md#poc

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