CVE-2025-63834

MEDIUM
Published Nov 10, 2025 Modified Dec 1, 2025 CWE-79

Description

A stored cross-site scripting (XSS) vulnerability was discovered in Tenda AC18 v15.03.05.05_multi. The vulnerability exists in the ssid parameter of the wireless settings. Remote attackers can inject malicious payloads that execute when any user visits the router's homepage.

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CVSS v3.1 Score

5.4
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor Product
tenda ac18_firmware
tenda ac18

References

Frequently Asked Questions

What is CVE-2025-63834? +
A stored cross-site scripting (XSS) vulnerability was discovered in Tenda AC18 v15.03.05.05_multi. The vulnerability exists in the ssid parameter of the wireless settings. Remote attackers can inject malicious payloads that execute when any user visits the router's homepage. It has a CVSS v3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2025-63834? +
CVE-2025-63834 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-63834? +
CVE-2025-63834 affects products from tenda, specifically: ac18, ac18_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-63834? +
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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