CVE-2023-25915: Due to improper input validation, an authenticated remote attacker could execute arbitrary commands on the tar

Q: How do I fix CVE-2023-25915?

ak-sm 800a firmware: upgrade to newer than 3.3. Exact commands for each OS are on this page.

Q: Is CVE-2023-25915 being exploited?

CVE-2023-25915 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-2023-25915 affect?

CVE-2023-25915 affects ak-sm 800a firmware. Severity is critical (CVSS 9.9). Due to improper input validation, an authenticated remote attacker could execute arbitrary commands on the target system.

Q: How urgent is CVE-2023-25915?

Priority 51/100. Critical severity

This month

CRITICAL 9.9UPGRADE

CVE-2023-25915 is a critical-severity flaw (CVSS 9.9) affecting ak-sm 800a firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Due to improper input validation, an authenticated remote attacker could execute arbitrary commands on the target system.

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-20
Published	2023-08-21
Last modified	2026-06-17

Publisher (CNA): Dutch Institute for Vulnerability Disclosure · Vendor: danfoss

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

Am I affected?

Timeline

2023-08-21 21:15 UTCPublished CVE record published
2026-06-17 05:42 UTCUpdated Record last modified

danfoss ak-sm 800a firmware UPGRADE

Affected: <= 3.3

Fixed in: newer than 3.3

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-2023-25915?

ak-sm 800a firmware: upgrade to newer than 3.3. Exact commands for each OS are on this page.

Is CVE-2023-25915 being exploited?

CVE-2023-25915 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-2023-25915 affect?

CVE-2023-25915 affects ak-sm 800a firmware. Severity is critical (CVSS 9.9). Due to improper input validation, an authenticated remote attacker could execute arbitrary commands on the target system.

How urgent is CVE-2023-25915?

Priority 51/100. Critical severity

Related CVEs

CVE-2023-25914 HIGH 8.8 UPGRADE Due to improper restriction, authenticated attackers could retrieve and read system files of the underlying se
CVE-2023-25913 HIGH 7.5 UPGRADE Because of an authentication flaw an attacker would be capable of generating a web report that discloses sensi

References

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