Heap-based Buffer Overflow Vulnerability in Archer AX53 and AX12
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
Heap-based Buffer Overflow vulnerability in Archer AX53 v1.0 and AX12 v1.0 (tdpserver modules) allows adjacent attackers to cause a segmentation fault or potentially execute arbitrary code via a specially crafted network packet containing a maliciously formed field. This issue affects Archer AX53 v1.0: through 1.3.1 Build 20241120 and Archer AX12 v1.0: up to 1.5.1 Build 20260721.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TP-Link | Archer AX53 v1.0 | up to 1.3.1 Build 20241120 | — | No fix listed | CNA |
| TP-Link | Archer AX12 v1 | before 1.5.1 Build 20260721 | 1.5.1 Build 20260721 | Patch available | CNA |
Remediation
- Fix · CNA Archer AX12 v1 (TP-Link Systems Inc.) Fixed in 1.5.1 Build 20260721
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
TP-Link Systems Archer AX53 v1.0 — tp-link.com/us/support/faq/4943
10 records Highest priority Priority MEDIUM 1 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2025-38672 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53Priority LOW 35
- TI-2025-38671 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53Priority LOW 35
- TI-2025-38313 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53Priority LOW 35
Timeline
- 2026-10-02 Threatist record created from CVE-2025-62673
- 2026-10-03 Alias added: GHSA-9m5j-8278-v84q
References
Patch 4
More TP-Link Archer Ax53 Firmware vulnerabilities
- TI-2026-00615 Logic Vulnerability on TP-Link Archer C20, Archer AX53 and TL-WR841N v13 CVSS 4.0HIGH 7.2
- TI-2026-23644 OS Command Injection Vulnerability in OpenVPN Module in TP-Link AX53 CVSS 4.0HIGH 8.5
- TI-2026-23647 OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53 CVSS 4.0HIGH 8.5
- TI-2025-14235 Authenticated Command Injection in mcsd Service of TP-Link Archer AX53 CVSS 4.0HIGH 7.3
- TI-2025-14236 Buffer Overflow in Network Probe Handling Function of TP-Link Archer AX53 + Archer AX55 CVSS 4.0HIGH 7.7
- TI-2025-38672 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53 CVSS 4.0HIGH 7.3
Sources
- CVE-2025-62673 · CVE Program
- CVE-2025-62673 · NVD
- FIRST EPSS
- GHSA-9m5j-8278-v84q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences