CVE-2026-26213 describes an unauthenticated OS command injection vulnerability in thingino-firmware versions up to the firmware-2026-03-16 release. This flaw exists within the WiFi captive portal CGI script, allowing remote attackers to execute arbitrary commands as root by injecting malicious code through unsanitized HTTP parameter names. With a CVSS score of 8.7 (HIGH), exploitation requires no authentication or user interaction and can lead to full persistent device compromise, including root password resets and SSH authorized_keys modification. While there is currently no public exploit code available and it is not listed on the CISA KEV catalog, the vulnerability has received some community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2026-03-15CPE matchmatch criteria | cpe:2.3:o:thingino:thingino_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.