VULNERABILITY INTELLIGENCE

CVE-2021-26731

CVSS score9.1 CRITICAL
EPSS probability2.68%
CISA KEVNot currently listed
Published2022-10-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Description

Command injection and multiple stack-based buffer overflows vulnerabilities in the modifyUserb_func function of spx_restservice allow an authenticated attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Weakness classification

  • prodsec@nozominetworks.com: CWE-94
  • nvd@nist.gov: CWE-77

Primary references