🛡️ CVE-2022-27005 — a7000r-firmware

🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-78 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Totolink routers s X5000R V9.1.0u.6118_B20201102 and A7000R V9.1.0u.6115_B20201022 were discovered to contain a command injection vulnerability in the setWanCfg function via the hostName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-27005 is classified as CWE-78: OS Command Injection. Untrusted input reaches a shell command without neutralisation, so an attacker can run arbitrary operating system commands.

Affected software

CVE-2022-27005 is recorded against 2 packages.

  • a7000r-firmware
  • x5000r-firmware

Timeline and source

Published on 15 March 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
github.com

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-78
Public Exploit ⚠️ Yes
Source NVD
Published 2022-03-15
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
a7000r-firmware — —
x5000r-firmware — —

Similar Threats

Exploit Protection

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CVE-2022-27005 carries CVSS 9.8 Critical rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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