CVE-2026-32840: Edimax GS-5008PL firmware version 1.00.54 and prior contain a stored cross-site scripting vulnerability in the

Q: How do I fix CVE-2026-32840?

gs-5008pl firmware: upgrade to newer than 1.00.54. Exact commands for each OS are on this page.

Q: Is CVE-2026-32840 being exploited?

CVE-2026-32840 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-2026-32840 affect?

CVE-2026-32840 affects gs-5008pl firmware. Severity is medium (CVSS 5.4). Edimax GS-5008PL firmware version 1.00.54 and prior contain a stored cross-site scripting vulnerability in the system_name_set.cgi script that allows attackers to inject arbitrary script code by manipulating the sysName parameter. Attackers

Q: How urgent is CVE-2026-32840?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2026-32840 is a medium-severity flaw (CVSS 5.4) affecting gs-5008pl firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Edimax GS-5008PL firmware version 1.00.54 and prior contain a stored cross-site scripting vulnerability in the system_name_set.cgi script that allows attackers to inject arbitrary script code by manipulating the sysName parameter. Attackers can send a crafted POST request with malicious script payload that executes when management pages including system_data.js are viewed by administrators.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-03-17
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: edimax

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

Am I affected?

Timeline

2026-03-17 22:16 UTCPublished CVE record published
2026-06-17 10:36 UTCUpdated Record last modified

edimax gs-5008pl firmware UPGRADE

Affected: <= 1.00.54

Fixed in: newer than 1.00.54

Safe to downgrade to: no unaffected older release

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-2026-32840?

gs-5008pl firmware: upgrade to newer than 1.00.54. Exact commands for each OS are on this page.

Is CVE-2026-32840 being exploited?

CVE-2026-32840 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-2026-32840 affect?

CVE-2026-32840 affects gs-5008pl firmware. Severity is medium (CVSS 5.4). Edimax GS-5008PL firmware version 1.00.54 and prior contain a stored cross-site scripting vulnerability in the system_name_set.cgi script that allows attackers to inject arbitrary script code by manipulating the sysName parameter. Attackers

How urgent is CVE-2026-32840?

Priority 22/100. No elevated risk signals yet.

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CVE-2026-32839 MEDIUM 4.3 UPGRADE Edimax GS-5008PL firmware version 1.00.54 and prior contain a cross-site request forgery vulnerability that al
CVE-2026-32838 HIGH 7.5 UPGRADE Edimax GS-5008PL firmware version 1.00.54 and prior use cleartext HTTP for the web management interface withou

References

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