CVE-2025-6111: fh1205 Buffer Overflow — Exploit

Description

A vulnerability classified as critical was found in Tenda FH1205 2.0.0.7(775). This vulnerability affects the function fromVirtualSer of the file /goform/VirtualSer. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be initiated 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

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
tenda	fh1205_firmware	All
tenda	fh1205	All

References

Exploits

https://lavender-bicycle-a5a.notion.site/Tenda-FH1205-fromVirtualSer-20b53a41781f809180a7d46f12f0417f?source=copy_link

Other References

https://vuldb.com/?ctiid.312580 https://vuldb.com/?id.312580 https://vuldb.com/?submit.592471 https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2025-6111? +

A vulnerability classified as critical was found in Tenda FH1205 2.0.0.7(775). This vulnerability affects the function fromVirtualSer of the file /goform/VirtualSer. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be initiated 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-2025-6111? +

CVE-2025-6111 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-2025-6111? +

CVE-2025-6111 affects products from tenda, specifically: fh1205, fh1205_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6111? +

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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