CVE-2025-11586: ac7 Buffer Overflow — Exploit

Description

A vulnerability was determined in Tenda AC7 15.03.06.44. This affects an unknown function of the file /goform/setNotUpgrade. This manipulation of the argument newVersion causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

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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	ac7_firmware	All
tenda	ac7	All

References

Exploits

https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC7/setNotUpgrade.md https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC7/setNotUpgrade.md#exploit

Other References

https://vuldb.com/?ctiid.327908 https://vuldb.com/?id.327908 https://vuldb.com/?submit.671597 https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2025-11586? +

A vulnerability was determined in Tenda AC7 15.03.06.44. This affects an unknown function of the file /goform/setNotUpgrade. This manipulation of the argument newVersion causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-11586? +

CVE-2025-11586 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-2025-11586? +

CVE-2025-11586 affects products from tenda, specifically: ac7, ac7_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-11586? +

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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