CVE-2022-34159: Huawei printers have an input verification vulnerability

This month

HIGH 7.5REMOTEMITIGATE

CVE-2022-34159 is a high-severity flaw (CVSS 7.5) affecting cv81-wdm firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Huawei printers have an input verification vulnerability. Successful exploitation of this vulnerability may cause device service exceptions. (Vulnerability ID: HWPSIRT-2022-80078) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2022-34159.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-20
Published	2024-12-20
Last modified	2026-06-17

Publisher (CNA): Huawei Technologies · Vendor: huawei

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

Am I affected?

Timeline

2024-12-20 03:15 UTCPublished CVE record published
2026-06-17 04:49 UTCUpdated Record last modified

huawei cv81-wdm firmware MITIGATE

Affected: 01.70.49.29.46

Fixed in: no fixed release known

Safe to downgrade to: a release before 01.70.49.29.46

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-2022-34159?

cv81-wdm firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-34159 being exploited?

CVE-2022-34159 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-2022-34159 affect?

CVE-2022-34159 affects cv81-wdm firmware. Severity is high (CVSS 7.5). Huawei printers have an input verification vulnerability. Successful exploitation of this vulnerability may cause device service exceptions. (Vulnerability ID: HWPSIRT-2022-80078) This vulnerability has been assigned a Common Vulnerabiliti

How urgent is CVE-2022-34159?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

Software pages

Huawei vulnerabilities

Related CVEs

CVE-2022-32204 HIGH 7.5 MITIGATE There is an improper input verification vulnerability in Huawei printer product
CVE-2022-32203 CRITICAL 9.8 MITIGATE There is a command injection vulnerability in Huawei terminal printer product
CVE-2022-32144 HIGH 8.6 MITIGATE There is an insufficient input verification vulnerability in Huawei product

References

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