CVE-2025-9748: ch22 Buffer Overflow — Exploit

Description

A vulnerability was determined in Tenda CH22 1.0.0.1. Affected by this issue is the function fromIpsecitem of the file /goform/IPSECsave of the component httpd. Executing manipulation of the argument ipsecno can lead to stack-based buffer overflow. The attack may be performed from remote.

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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	ch22_firmware	All
tenda	ch22	All

References

Exploits

https://github.com/physicszq/Routers/tree/main/tmp/02 https://github.com/physicszq/Routers/tree/main/tmp/02

Other References

https://vuldb.com/?ctiid.322049 https://vuldb.com/?id.322049 https://vuldb.com/?submit.640422 https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2025-9748? +

A vulnerability was determined in Tenda CH22 1.0.0.1. Affected by this issue is the function fromIpsecitem of the file /goform/IPSECsave of the component httpd. Executing manipulation of the argument ipsecno can lead to stack-based buffer overflow. The attack may be performed from remote. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-9748? +

CVE-2025-9748 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-2025-9748? +

CVE-2025-9748 affects products from tenda, specifically: ch22, ch22_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-9748? +

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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