CVE-2025-7531: fh1202 Buffer Overflow — Exploit

Description

A vulnerability, which was classified as critical, was found in Tenda FH1202 1.2.0.14(408). This affects the function fromPptpUserSetting of the file /goform/PPTPUserSetting. The manipulation of the argument delno leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
tenda	fh1202_firmware	All
tenda	fh1202	All

References

Exploits

https://github.com/panda666-888/vuls/blob/main/tenda/fh1202/fromPptpUserSetting.md https://github.com/panda666-888/vuls/blob/main/tenda/fh1202/fromPptpUserSetting.md

Other References

https://vuldb.com/?ctiid.316227 https://vuldb.com/?id.316227 https://vuldb.com/?submit.612957 https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2025-7531? +

A vulnerability, which was classified as critical, was found in Tenda FH1202 1.2.0.14(408). This affects the function fromPptpUserSetting of the file /goform/PPTPUserSetting. The manipulation of the argument delno leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-7531? +

CVE-2025-7531 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-7531? +

CVE-2025-7531 affects products from tenda, specifically: fh1202, fh1202_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-7531? +

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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