CVE-2021-25310

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-02-02 · updated 2026-06-17
Weakness: CWE-78

Description

The administration web interface on Belkin Linksys WRT160NL 1.0.04.002_US_20130619 devices allows remote authenticated attackers to execute system commands with root privileges via shell metacharacters in the ui_language POST parameter to the apply.cgi form endpoint. This occurs in do_upgrade_post in mini_httpd. NOTE: This vulnerability only affects products that are no longer supported by the maintaine

Affected products

Belkin Linksys Wrt160Nl Firmware: 1.0.04.002_us_20130619

References

https://research.nccgroup.com/2021/01/28/technical-advisory-linksys-wrt160nl-authenticated-command-injection-cve-2021-25310/
https://research.nccgroup.com/?research=Technical%20advisories
https://research.nccgroup.com/2021/01/28/technical-advisory-linksys-wrt160nl-authenticated-command-injection-cve-2021-25310/
https://research.nccgroup.com/?research=Technical%20advisories

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