9

CVE-2021-43702: asus 4g-ac53u_firmware Cross-site Scripting

CVSS: 9.0v3.1CriticalModified
Published 05-07-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-43702 is a critical (CVSS 9.0) Cross-site Scripting vulnerability in asus 4g-ac53u_firmware. EPSS estimates a 0.98% chance of exploitation in the next 30 days, higher than 61.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
Critical · v3.1 (NVD)
EPSS score
0.98%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 05-07-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

ASUS RT-A88U 3.0.0.4.386_45898 is vulnerable to Cross Site Scripting (XSS). The ASUS router admin panel does not sanitize the WiFI logs correctly, if an attacker was able to change the SSID of the router with a custom payload, they could achieve stored XSS on the device.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.98%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

+0.03 pp

From 0.95% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.98%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (kroll.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Asus90 products

1 vendor · 90 products

References

2 links