CVE-2022-34540: Digital Watchdog DW MEGApix IP cameras A7.2.2_20211029 was discovered to contain a command injection vulnerabi

This month

HIGH 8.8MITIGATE

CVE-2022-34540 is a high-severity flaw (CVSS 8.8) affecting megapix firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Digital Watchdog DW MEGApix IP cameras A7.2.2_20211029 was discovered to contain a command injection vulnerability in the component /admin/vca/license/license_tok.cgi. This vulnerability is exploitable via a crafted POST request.

Why this priority

High severity

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-78
Published	2022-07-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dw

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

Am I affected?

Timeline

2022-07-19 20:15 UTCPublished CVE record published
2026-06-17 04:50 UTCUpdated Record last modified

dw megapix firmware MITIGATE

Affected: 4.2.0.32842

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.2.0.32842

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-2022-34540?

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

Is CVE-2022-34540 being exploited?

CVE-2022-34540 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-2022-34540 affect?

CVE-2022-34540 affects megapix firmware. Severity is high (CVSS 8.8). Digital Watchdog DW MEGApix IP cameras A7.2.2_20211029 was discovered to contain a command injection vulnerability in the component /admin/vca/license/license_tok.cgi. This vulnerability is exploitable via a crafted POST request.

How urgent is CVE-2022-34540?

Priority 48/100. High severity

Related CVEs

CVE-2022-34539 HIGH 8.8 MITIGATE Digital Watchdog DW MEGApix IP cameras A7.2.2_20211029 was discovered to contain a command injection vulnerabi
CVE-2022-34538 HIGH 8.8 MITIGATE Digital Watchdog DW MEGApix IP cameras A7.2.2_20211029 was discovered to contain a command injection vulnerabi
CVE-2022-34537 MEDIUM 5.4 MITIGATE Digital Watchdog DW MEGApix IP cameras A7.2.2_20211029 was discovered to contain a cross-site scripting (XSS)
CVE-2022-34536 HIGH 7.5 MITIGATE Digital Watchdog DW MEGApix IP cameras A7.2.2_20211029 allows attackers to access the core log file and perfor
CVE-2022-34535 HIGH 7.5 MITIGATE Digital Watchdog DW MEGApix IP cameras A7.2.2_20211029 allows unauthenticated attackers to view internal paths

References

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