CVE-2023-36498: tp-link er7206_firmware OS Command Injection

Vulnerability summary

CVE-2023-36498 is a high (CVSS 7.2) OS Command Injection vulnerability in tp-link er7206_firmware. EPSS estimates a 3.44% chance of exploitation in the next 30 days, higher than 88.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 06-02-2024
   PublishedVulnerability first disclosed.
2. 04-11-2025
   Last modifiedVulnerability information updated.

Description

A post-authentication command injection vulnerability exists in the PPTP client functionality of Tp-Link ER7206 Omada Gigabit VPN Router 1.3.0 build 20230322 Rel.70591. A specially crafted HTTP request can lead to arbitrary command injection. An attacker can make an authenticated HTTP request to trigger this vulnerability and gain access to an unrestricted shell.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.