HIGH

CVE-2021-25310

CVSS v3

8.8

HIGH

EPSS Score

4.6 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-25310 yet.

Full record on NVD

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

Technical details

Published: 2021-02-02

Frequently asked questions

What is CVE-2021-25310?

Is CVE-2021-25310 actively exploited?

Active exploitation of CVE-2021-25310 has not been confirmed. Its EPSS score was 4.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-25310?

CVE-2021-25310 has a CVSS v3 base score of 8.8 (HIGH severity).

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