Backup Restore Function Vulnerability in TP-Link RE605X Router
CVE-2025-15545

7.3HIGH

Key Information:

Vendor

Tp-link Systems Inc.

Status
Archer Re605x
Vendor
CVE Published:
29 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15545?

The backup restore function in TP-Link RE605X routers fails to properly validate tags in backup files. An attacker can exploit this vulnerability by supplying a specially crafted backup file that contains unexpected or unrecognized tags. When this malicious file is restored, the router's shell interprets the injected tag, which can lead to the execution of arbitrary commands with root privileges. This exploitation can substantially compromise the device's confidentiality, integrity, and availability, posing significant risks to network security.

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Deploy the Patch

Affected Version(s)

Archer RE605X 0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-15545
Created by Xernary

References

https://www.tp-link.com/en/support/download/re605x/v3/#Fi...
patch
https://www.tp-link.com/us/support/download/re605x/v3/#Fi...
patch
https://www.tp-link.com/us/support/faq/4929/
vendor-advisory

CVSS V4

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nicola Giuffrida
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