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CVE-2025-59487: Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-03 · updated 2026-06-17
• Weakness: CWE-122

Description

Heap-based Buffer Overflow vulnerability in TP-Link Archer AX53 v1.0 (tmpserver modules) allows authenticated adjacent attackers to cause a segmentation fault or potentially execute arbitrary code. The vulnerability arises from improper validation of a packet field whose offset is used to determine the write location in memory. By crafting a packet with a manipulated field offset, an attacker can redirect writes to arbitrary memory locations.This issue affects Archer AX53 v1.0: through 1.3.1 Build 20241120.

Affected products

• TP-Link Systems Inc. Archer AX53 v1.0: 1.0

References

• https://talosintelligence.com/vulnerability_reports/
• https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware
• https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware
• https://www.tp-link.com/us/support/faq/4943/
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2285

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