CVE-2026-26213

Critical · CVSS 9.8

thingino-firmware — Unauthenticated OS Command Injection (CWE-78) via CGI HTTP parameter names leading to RCE as root

CVSS: 9.8; nvd
EPSS: 6.24%; 93th pct
KEV: No
Class: oss containerizable; CWE-78

Description

thingino-firmware versions up to the firmware-2026-03-16 release contains an unauthenticated os command injection vulnerability in the WiFi captive portal CGI script that allows remote attackers to execute arbitrary commands as root by injecting malicious code through unsanitized HTTP parameter names. Attackers can exploit the eval function in parse_query() and parse_post() functions to achieve remote code execution and perform privileged configuration changes including root password reset and SSH authorized_keys modification, resulting in full persistent device compromise.

Search profile — drives PoC discovery

Symbols parse_queryparse_postevalcaptive portalapi.cgiwlan_portalHTTP parameter namesroot password resetSSH authorized_keys

Keywords CVE-2026-26213thingino-firmwarethingino captive portal command injectionthingino WiFi CGI RCEthingino parse_query eval injectionthingino unauthenticated RCEthingino api.cgi exploitthingino firmware command injection PoCthingino root shellthingino SSH authorized_keys exploit

Versions: up to and including firmware-2026-03-16

References

Status: enriched · ingested 2026-07-14T18:00:20.000Z · profiled 2026-07-14T18:30:20.000Z