CVE-2025-63456: ax1803 Memory Corruption — Exploit

Description

Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the time parameter in the SetSysTimeCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
tenda	ax1803_firmware	All
tenda	ax1803	All

References

Exploits

https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1803/3/1.md

Frequently Asked Questions

What is CVE-2025-63456? +

Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the time parameter in the SetSysTimeCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-63456? +

CVE-2025-63456 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-63456? +

CVE-2025-63456 affects products from tenda, specifically: ax1803, ax1803_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-63456? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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