CVEvulnerability

CVE-2020-25757

8.8 HIGH Published 2020-12-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-12-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
8.3 HIGH — AV:A/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-20, CWE-78

Description

A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.

Affected configurations

• dlink dsr-150 firmware (<= 3.17) • dlink dsr-150n firmware (<= 3.17) • dlink dsr-250 firmware (<= 3.17) • dlink dsr-250n firmware (<= 3.17) • dlink dsr-500 firmware (<= 3.17) • dlink dsr-500n firmware • dlink dsr-500ac firmware (<= 3.17) • dlink dsr-1000 firmware (<= 3.17) • dlink dsr-1000n firmware (<= 3.17) • dlink dsr-1000ac firmware (<= 3.17)

Related

Weakness · CWE (2)

  • CWE-20 Improper Input Validation weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References