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Vulnerability Intelligence

CVE-2022-25061

Critical

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_setIp6DefaultRoute.

Published Feb 28, 2022 · Updated Jul 9, 2026

Key Facts

Patch immediately
  • CVE-2022-25061 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Tl-Wr840n Firmware (Tp-Link).
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 59% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

59%

Higher than 99.0% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2022-25061 brief as a PDF

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Description

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_setIp6DefaultRoute.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Tl-Wr840n FirmwareTp-Link6.20_180709n/a

Timeline

  1. Publicly disclosed

    Feb 28, 2022

  2. Last updated

    Jul 9, 2026

Weakness Type

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

3 more references in the full CVE brief

FAQ

Common Questions.

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