CVE-2026-32721: LuCI is the OpenWrt Configuration Interface

Q: How do I fix CVE-2026-32721?

luci: upgrade to 26.072.65753-068150b; openwrt: upgrade to 24.10.6, 25.12.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-32721 being exploited?

CVE-2026-32721 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-32721 affect?

CVE-2026-32721 affects luci, openwrt. Severity is high (CVSS 8.6). LuCI is the OpenWrt Configuration Interface. Versions prior to both 24.10.5 and 25.12.0, contain a stored XSS vulnerability in the wireless scan modal, where SSID values from scan results are rendered as raw HTML without any sanitization. T

Routine

HIGH 8.6UPGRADEUPGRADE

CVE-2026-32721 is a high-severity flaw (CVSS 8.6) affecting luci, openwrt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LuCI is the OpenWrt Configuration Interface. Versions prior to both 24.10.5 and 25.12.0, contain a stored XSS vulnerability in the wireless scan modal, where SSID values from scan results are rendered as raw HTML without any sanitization. The wireless.js file in the luci-mod-network package passes SSIDs via a template literal to dom.append(), which processes them through innerHTML, allowing an attacker to craft a malicious SSID containing arbitra

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 84%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-03-19
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: openwrt

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-19 23:16 UTCPublished CVE record published
2026-06-17 10:36 UTCUpdated Record last modified

openwrt luci UPGRADE

Affected: < 26.072.65753-068150b

Fixed in: 26.072.65753-068150b

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy luci || rpm -q luci || luci --version

2. UPGRADE to 26.072.65753-068150b (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade luci

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade luci

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

openwrt openwrt UPGRADE

Affected: < 24.10.6 · >= 25.12.0 and < 25.12.1

Fixed in: 24.10.6, 25.12.1

Safe to downgrade to: a release before 25.12.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-32721?

luci: upgrade to 26.072.65753-068150b; openwrt: upgrade to 24.10.6, 25.12.1. Exact commands for each OS are on this page.

Is CVE-2026-32721 being exploited?

CVE-2026-32721 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-32721 affect?

CVE-2026-32721 affects luci, openwrt. Severity is high (CVSS 8.6). LuCI is the OpenWrt Configuration Interface. Versions prior to both 24.10.5 and 25.12.0, contain a stored XSS vulnerability in the wireless scan modal, where SSID values from scan results are rendered as raw HTML without any sanitization. T

How urgent is CVE-2026-32721?

Priority 34/100. High severity

Software pages

OpenWrt vulnerabilities

Related CVEs

CVE-2021-27821 MEDIUM 6.1 UPGRADE The Web Interface for OpenWRT LuCI version 19.07 and lower has been discovered to have a cross-site scripting
CVE-2023-3085 LOW 3.5 UPGRADE A vulnerability, which was classified as problematic, has been found in X-WRT luci up to 22.10_b202303061504
CVE-2023-24181 MEDIUM 5.4 DOWNGRADE LuCI openwrt-22.03 branch git-22.361.69894-438c598 was discovered to contain a reflected cross-site scripting
CVE-2022-41435 MEDIUM 5.4 DOWNGRADE OpenWRT LuCI version git-22.140.66206-02913be was discovered to contain a stored cross-site scripting (XSS) vu
CVE-2020-10871 MEDIUM 5.3 DOWNGRADE In OpenWrt LuCI git-20.x, remote unauthenticated attackers can retrieve the list of installed packages and ser

References

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