CVE-2024-31971: Multiple stored cross-site scripting (XSS) vulnerabilities on AdTran NetVanta 3120 18.01.01.00.E devices allow

Routine

MEDIUM 4.8MITIGATE

CVE-2024-31971 is a medium-severity flaw (CVSS 4.8) affecting netvanta 3120 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple stored cross-site scripting (XSS) vulnerabilities on AdTran NetVanta 3120 18.01.01.00.E devices allow remote attackers to inject arbitrary JavaScript, as demonstrated by /mainPassword.html, /processIdentity.html, /public.html, /dhcp.html, /private.html, /hostname.html, /connectivity.html, /NetworkMonitor.html, /trafficMonitoringConfig.html, and /wizardMain.html.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-07-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: adtran

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

Am I affected?

Timeline

2024-07-24 15:15 UTCPublished CVE record published
2026-06-17 07:29 UTCUpdated Record last modified

adtran netvanta 3120 firmware MITIGATE

Affected: 18.01.01.00.e

Fixed in: no fixed release known

Safe to downgrade to: a release before 18.01.01.00.e

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-2024-31971?

netvanta 3120 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-31971 being exploited?

CVE-2024-31971 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-2024-31971 affect?

CVE-2024-31971 affects netvanta 3120 firmware. Severity is medium (CVSS 4.8). Multiple stored cross-site scripting (XSS) vulnerabilities on AdTran NetVanta 3120 18.01.01.00.E devices allow remote attackers to inject arbitrary JavaScript, as demonstrated by /mainPassword.html, /processIdentity.html, /public.html, /dhc

How urgent is CVE-2024-31971?

Priority 25/100. No elevated risk signals yet.

References

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