CVE-2025-8477: Alpine iLX-507 vCard Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

Routine

HIGH 7.4MITIGATE

CVE-2025-8477 is a high-severity flaw (CVSS 7.4) affecting ilx-507 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Alpine iLX-507 vCard Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Alpine iLX-507 devices. User interaction is required to exploit this vulnerability in that the target must connect to a malicious Bluetooth device. The specific flaw exists within the parsing of vCard data. The issue results from the lack of proper validation of u

Why this priority

High severity

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

Risk facts

CVSS score	7.4 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-121
Published	2025-08-01
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: alpsalpine

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

Am I affected?

Timeline

2025-08-01 18:15 UTCPublished CVE record published
2026-06-17 10:07 UTCUpdated Record last modified

alpsalpine ilx-507 firmware MITIGATE

Affected: 6.0.000

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0.000

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-2025-8477?

ilx-507 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-8477 being exploited?

CVE-2025-8477 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-2025-8477 affect?

CVE-2025-8477 affects ilx-507 firmware. Severity is high (CVSS 7.4). Alpine iLX-507 vCard Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Alpine iLX-507 devices. User interaction is required to

How urgent is CVE-2025-8477?

Priority 32/100. High severity

Software pages

Bluetooth vulnerabilities

Related CVEs

CVE-2025-8480 HIGH 8.0 MITIGATE Alpine iLX-507 Command Injection Remote Code Execution
CVE-2025-8476 HIGH 8.0 MITIGATE Alpine iLX-507 TIDAL Improper Certificate Validation Vulnerability
CVE-2025-8475 HIGH 7.4 MITIGATE Alpine iLX-507 AVRCP Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2025-8474 MEDIUM 6.8 MITIGATE Alpine iLX-507 CarPlay Stack-based Buffer Overflow Code Execution Vulnerability
CVE-2025-8473 MEDIUM 6.6 MITIGATE Alpine iLX-507 UPDM_wstpCBCUpdStart Command Injection Vulnerability

References

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