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TI-2022-20638 Aliases CVE-2022-42433GHSA-7w2q-74wh-62qq

OS command injection in TP-Link TL-WR841N

Priority LOW 38CWE-78Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N TL-WR841N(US)_V14_220121 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the ated_tp service. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-17356.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00608 49th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TP-LinkTL-WR841NTL-WR841N(US)_V14_220121—No fix listedCNA
  • TL-WR841N VendorTP-Link Affected TL-WR841N(US)_V14_220121 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:tl-wr841_firmware:*:*:*:*:*:*:*:*before 220914VulnerableTP-Link
cpe:2.3:h:tp-link:tl-wr841n:-:*:*:*:*:*:*:*not specified by NVDRunning onTP-Link
  • cpe:2.3:o:tp-link:tl-wr841_firmware:*:*:*:*:*:*:*:* Versions before 220914 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:tl-wr841n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-42433
  2. 2026-10-03 Alias added: GHSA-7w2q-74wh-62qq

References

Advisory 1

  • TI-2022-12352 A buffer overflow in the httpd daemon on TP-Link TL-WR841N V12 (firmware version 3.16.9)… CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences