5.4

CVE-2021-3186: tenda ac5_firmware Cross-site Scripting

CVSS: 5.4v3.1MediumAnalyzed
Published 24-01-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-3186 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in tenda ac5_firmware. EPSS estimates a 2.54% chance of exploitation in the next 30 days, higher than 84.8% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
2.54%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3reference, exploit-database

Timeline

  1. 24-01-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.54%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

+0.03 pp

From 2.51% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.54%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • referenceUnverified

    Exploit Reference (hackingarticles.in)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databasehardwareUnverified

    Tenda AC5 AC1200 Wireless - 'WiFi Name & Password' Stored Cross Site Scripting

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Tenda1 product

1 vendor · 1 product

References

2 links