PT-2018-15166 · Actiontec · Actiontec C1000A

Published 2018-12-06 · Updated 2019-02-01 · CVE-2018-19922

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Actiontec C1000A router with firmware through CAC004-31.30L.95

Description The issue concerns a Persistent Cross-Site Scripting (XSS) flaw in the advancedsetup websiteblocking.html Website Blocking page. This allows a remote attacker to inject arbitrary HTML into the Website Blocking page. The exploitation occurs by inserting arbitrary HTML into the TodUrlAdd URL parameter in a "/urlfilter.cmd" POST request.

Recommendations For Actiontec C1000A router with firmware through CAC004-31.30L.95, avoid using the TodUrlAdd parameter in the "/urlfilter.cmd" POST request until the issue is resolved. As a temporary workaround, consider restricting access to the Website Blocking page to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2018-19922

Affected Products

Actiontec C1000A

References · 3

• 🔥❌ https://github.com/logern5/c1000a_xss/blob/master/README.md · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2018-19922 · Security Note
• https://osv.dev/vulnerability/CVE-2018-19922 · Vendor Advisory