CVE-2026-40857Disclosure

LOWCVSS 8.4 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

WNC T-Mobile 5G Box IDU router contains a cross-site request forgery (CSRF) vulnerability in the portal.cgi component. The anti-CSRF mechanism fails to validate the csrf_token_value parameter, accepting any arbitrary value as valid. This allows a remote attacker to perform unauthorized actions on the device by tricking an authenticated user into visiting a malicious website.This issue has been fixed in firmware version 1.1.0.651412

Back to dashboard

0.0/ 10 priority

Sources & remediation

Other references

https://cert.pl/posts/2026/09/CVE-2026-40854

Weakness type (CWE)

CWE-352

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://www.cve.org/CVERecord?id=CVE-2026-40857

Full discourse1 post

CVE@CVEnew46d
Disclosure
CVE-2026-40857 WNC T-Mobile 5G Box IDU router contains a cross-site request forgery (CSRF) vulnerability in the portal.cgi component. The anti-CSRF mechanism fails to validate the c… https://www.cve.org/CVERecord?id=CVE-2026-40857
Post summary
The post discloses a CSRF vulnerability in the T‑Mobile 5G Box IDU router’s portal.cgi component, indicating the anti‑CSRF mechanism fails to validate the required token.
000001.2K
58.1K followersView on X

Explore more

Back to dashboard