CVE-2026-3227 — MEDIUM (6.8)

Q: How severe is CVE-2026-3227?

CVE-2026-3227 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-3227?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr802N Firmware, Tp-Link Tl-Wr802N, Tp-Link Tl-Wr841N Firmware, Tp-Link Tl-Wr841N, Tp-Link Tl-Wr840N Firmware.

Vulnerability Description

A command injection vulnerability was identified in TP-Link TL-WR802N v4, TL-WR841N v14, and TL-WR840N v6 due to improper neutralization of special elements used in an OS command. In the router configuration import function allows an authenticated attacker to upload a crafted configuration file that results in execution of OS commands with root privileges during port-trigger processing. Successful exploitation allows an authenticated attacker to execute system commands with root privileges, leading to full device compromise.

CVSS Score

6.8

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Wr802N Firmware	< 260304
Tp-Link	Tl-Wr802N	v4
Tp-Link	Tl-Wr841N Firmware	< 260303
Tp-Link	Tl-Wr841N	14
Tp-Link	Tl-Wr840N Firmware	< 260304
Tp-Link	Tl-Wr840N	6

Related Weaknesses (CWE)

CWE-78

References

FAQ

What is CVE-2026-3227?

CVE-2026-3227 is a vulnerability with a CVSS score of 6.8 (MEDIUM). A command injection vulnerability was identified in TP-Link TL-WR802N v4, TL-WR841N v14, and TL-WR840N v6 due to improper neutralization of special elements used in an OS command. In the router confi...

How severe is CVE-2026-3227?

CVE-2026-3227 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-3227?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr802N Firmware, Tp-Link Tl-Wr802N, Tp-Link Tl-Wr841N Firmware, Tp-Link Tl-Wr841N, Tp-Link Tl-Wr840N Firmware.