PT-2019-15743 · Openwrt+1 · Openwrt+1

Published 2019-12-03 · Updated 2023-05-24 · CVE-2019-18992

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenWrt version 18.06.4

Description The issue allows for XSS via the Name fields in the /cgi-bin/luci/admin/network/firewall/rules API endpoint, specifically in the "Open ports on router", "New forward rule", and "New Source NAT" fields. This can be exploited on devices such as the TP-Link Archer C7.

Recommendations For OpenWrt version 18.06.4, avoid using the Name fields in the affected API endpoint until the issue is resolved. As a temporary workaround, consider restricting access to the /cgi-bin/luci/admin/network/firewall/rules API endpoint to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2019-18992

Affected Products

Openwrt

Tp-Link Archer C7

References · 3

• https://github.com/openwrt/luci/commit/3961268597abba4c2b231790cb4aa7936e73cdf8 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2019-18992 · Security Note
• https://osv.dev/vulnerability/CVE-2019-18992 · Vendor Advisory