CVE-2026-26213 | THREATINT

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.

PUBLISHED Reserved 2026-02-11 | Published 2026-03-26 | Updated 2026-03-26 | Assigner VulnCheck

HIGH: 8.7CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

Product status

Default status

unknown

Any version

affected

Credits

Azmi Alsarayrah finder

References

github.com/...gino-firmware/releases/tag/firmware-2026-03-15 product

www.vulncheck.com/...ted-command-injection-in-captive-portal third-party-advisory

cve.org (CVE-2026-26213)

nvd.nist.gov (CVE-2026-26213)

Download JSON