CVE-2021-38702: Cyberoam NetGenie C0101B1-20141120-NG11VO devices through 2021-08-14 allow tweb/ft.php?u=[XSS] attacks.

Q: How do I fix CVE-2021-38702?

netgenie c0101b1-20141120-ng11vo firmware: upgrade to newer than 2021-08-14. Exact commands for each OS are on this page.

Q: Is CVE-2021-38702 being exploited?

CVE-2021-38702 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-2021-38702 affect?

CVE-2021-38702 affects netgenie c0101b1-20141120-ng11vo firmware. Severity is medium (CVSS 6.1). Cyberoam NetGenie C0101B1-20141120-NG11VO devices through 2021-08-14 allow tweb/ft.php?u=[XSS] attacks.

Q: How urgent is CVE-2021-38702?

Priority 50/100. EPSS top 6%: very likely to be exploited; Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2021-38702 is a medium-severity flaw (CVSS 6.1) affecting netgenie c0101b1-20141120-ng11vo firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cyberoam NetGenie C0101B1-20141120-NG11VO devices through 2021-08-14 allow tweb/ft.php?u=[XSS] attacks.

Why this priority

EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	6.7% (top 6%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-08-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cyberoamworks

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

Am I affected?

Timeline

2021-08-17 20:15 UTCPublished CVE record published
2026-06-17 04:02 UTCUpdated Record last modified

cyberoamworks netgenie c0101b1-20141120-ng11vo firmware UPGRADE

Affected: <= 2021-08-14

Fixed in: newer than 2021-08-14

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Cyberoam NetGenie Cross-Site Scripting

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-2021-38702?

netgenie c0101b1-20141120-ng11vo firmware: upgrade to newer than 2021-08-14. Exact commands for each OS are on this page.

Is CVE-2021-38702 being exploited?

CVE-2021-38702 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-2021-38702 affect?

CVE-2021-38702 affects netgenie c0101b1-20141120-ng11vo firmware. Severity is medium (CVSS 6.1). Cyberoam NetGenie C0101B1-20141120-NG11VO devices through 2021-08-14 allow tweb/ft.php?u=[XSS] attacks.

How urgent is CVE-2021-38702?

Priority 50/100. EPSS top 6%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

References

← Back to latest CVEs