Is CVE-2013-0126 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2013-0126, but active exploitation has not been confirmed.

Can CVE-2013-0126 be exploited remotely?

Yes. CVE-2013-0126 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2013-0126?

CVE-2013-0126 has a CVSS score of 6.8 (MEDIUM).

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MEDIUMPOC

CVE-2013-0126

CWE-352Published: March 21, 2013· Updated: Jun 16, 2026

6.8

CVSS v3.1

Official Description

Multiple cross-site request forgery (CSRF) vulnerabilities in index.cgi on the Verizon FIOS Actiontec MI424WR-GEN3I router with firmware 40.19.36 allow remote attackers to hijack the authentication of administrators for requests that (1) add administrative accounts via the username and user_level parameters or (2) enable remote administration via the is_telnet_primary and is_telnet_secondary parameters.

NVD Source

Technical Analysis

CVE-2013-0126 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2013-0126. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.