CVE-2021-3186
A Stored Cross-site scripting (XSS) vulnerability in /main.html Wifi Settings in Tenda AC5 AC1200 version V15.03.06.47_multi allows remote attackers to inject arbitrary web script or HTML via the Wifi Name parameter.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 2.5%. Treat it as high on anything reachable from the internet.
Description
A Stored Cross-site scripting (XSS) vulnerability in /main.html Wifi Settings in Tenda AC5 AC1200 version V15.03.06.47_multi allows remote attackers to inject arbitrary web script or HTML via the Wifi Name parameter.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 2.54% probability · 85th percentile
- Public exploits
- 1 in Exploit-DB · first 26 January 2021
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- tenda/ac5 firmware
- Source
- cve@mitre.org
EPSS 2.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/161119/Tenda-AC5-AC1200-Wireless-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://www.hackingarticles.in/exploiting-stored-cross-site-scripting-at-tenda-ac5-ac1200/Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/161119/Tenda-AC5-AC1200-Wireless-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://www.hackingarticles.in/exploiting-stored-cross-site-scripting-at-tenda-ac5-ac1200/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.