CVE-2023-2504: Files present on firmware images could allow an attacker to gain unauthorized access as a root user using

Routine

HIGH 8.4MITIGATEMITIGATEMITIGATE

CVE-2023-2504 is a high-severity flaw (CVSS 8.4) affecting a300 firmware, mini firmware, 4k quad firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Files present on firmware images could allow an attacker to gain unauthorized access as a root user using hard-coded credentials.

Why this priority

High severity

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

Risk facts

CVSS score	8.4 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-798
Published	2023-05-22
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: birddog

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

Am I affected?

Timeline

2023-05-22 22:15 UTCPublished CVE record published
2026-06-17 05:52 UTCUpdated Record last modified

birddog a300 firmware MITIGATE

Affected: 3.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.4

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.

birddog mini firmware MITIGATE

Affected: 2.6.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.6.2

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.

birddog 4k quad firmware MITIGATE

Affected: 4.5.181 · 4.5.196

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.5.181

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.

birddog studio r3 firmware MITIGATE

Affected: 3.6.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.6.4

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-2023-2504?

a300 firmware: mitigate or apply the listed mitigation; mini firmware: mitigate or apply the listed mitigation; 4k quad firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-2504 being exploited?

CVE-2023-2504 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-2023-2504 affect?

CVE-2023-2504 affects a300 firmware, mini firmware, 4k quad firmware. Severity is high (CVSS 8.4). Files present on firmware images could allow an attacker to gain unauthorized access as a root user using hard-coded credentials.

How urgent is CVE-2023-2504?

Priority 39/100. High severity

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CVE-2018-25318 CRITICAL 9.8 MITIGATE MITIGATE Tenda FH303/A300 firmware V5.07.68_EN contains a session weakness vulnerability that allows unauthenticated at

References

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