CRITICALCVSS 9.8Vulnerability
CVE-2026-74233
Zbtlink WE1326, WE357, WE5926, WE5926-WD, WE826-Q, WE826-T2, WE826-WD, WG108, and WG3526 firmware 19.1101, Zbtlink WE2426-C firmware 19.1112, Zbtlink WE5926-EC_QP firmware 20.0516, Zbtlink WF3526-P firmware 19.051, CTN720-W1, LF-1541, and MT7620N firmware 19.1101, and WRC1 firmware 20.0622 contain an unauthenticated command injection in the infosrvd service (UDP/9992). A remote unauthenticated attacker can send a crafted UDP packet to execute arbitrary commands as root. The service's authentication uses a hardcoded salt and an all-zero wildcard MAC bypass, rendering it ineffective.
Properties
- severity
- CRITICAL
- cvss_severity
- CRITICAL
- cvss_score
- 9.8
- retrieved_at
- 2026-09-25T15:10:03+00:00
- score
- 9.8
- last_source
- NVD
- cve_id
- CVE-2026-74233
- cvss_vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- signal_observed_at
- 2026-09-25T15:10:03+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- published_at
- 2026-08-27T13:18:34.137
- last_modified
- 2026-09-24T20:43:32.537
Related Entities (3)
DESCRIBED_BY (1)
→[Source]NVD
HAS_WEAKNESS (2)
→[Weakness]Use of Hard-coded Cryptographic Key
→[Weakness]Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Explore deeper with Ninja Signal's threat intelligence graph