CVE-2026-7101

Description

A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component httpd. The manipulation leads to buffer overflow. Remote exploitation of the attack is possible. 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

EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.36%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
tenda	f456_firmware	All
tenda	f456	All

References

Advisories & Patches

https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_139/README.md

Exploits

https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_139/README.md

Other References

https://vuldb.com/submit/798474 https://vuldb.com/vuln/359676 https://vuldb.com/vuln/359676/cti https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2026-7101? +

A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component httpd. The manipulation leads to buffer overflow. Remote exploitation of the attack is possible. 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-2026-7101? +

CVE-2026-7101 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. The EPSS score is 0.0016, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-7101? +

CVE-2026-7101 affects products from tenda, specifically: f456, f456_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-7101? +

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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