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Vulnerability record · CVE-2026-62184 · published 13 July 2026

CVE-2026-62184: luci-app-banip contains a log parsing vulnerability where the awk-based parser extracts the first IPv4 address…

luci-app-banip contains a log parsing vulnerability where the awk-based parser extracts the first IPv4 address from log lines regardless of field position, allowing attackers to inject arbitrary IPs via attacker-controlled fields like usernames. An unauthenticated remote attacker can inject an IP address into the login username field, causing banIP to block the wrong target while the real attacker remains unblocked.

8.7 CVSS 4.0 High EPSS 0.78% · top 45.7% CWE-116 · CWE-116 Deferred
8.7CVSS 4.0 base score
0.78%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
15 Jul 2026Last modified by NVD

Description

luci-app-banip contains a log parsing vulnerability where the awk-based parser extracts the first IPv4 address from log lines regardless of field position, allowing attackers to inject arbitrary IPs via attacker-controlled fields like usernames. An unauthenticated remote attacker can inject an IP address into the login username field, causing banIP to block the wrong target while the real attacker remains unblocked.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/openwrt/luci/commit/d9bbc372e29618a8807b693a1ccf6d0e42cd196c
https://github.com/openwrt/luci/security/advisories/GHSA-r6hx-4f83-vp8m
https://www.vulncheck.com/advisories/luci-app-banip-log-monitor-ip-extraction-bypass
https://github.com/openwrt/luci/security/advisories/GHSA-r6hx-4f83-vp8m

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Source: NIST National Vulnerability Database (record CVE-2026-62184), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.