Heap-based buffer overflow in Archer AX53 - CVE-2025-62673
Published: March 17, 2026
Vulnerability identifier: #VU124073
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-62673
CWE-ID: CWE-122
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the tdpServer ssh port update functionality. A remote user on the local network can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Archer AX53
How to mitigate CVE-2025-62673
Install updates from vendor's website.
Archer AX53 - update to 1_260119