CVE-2015-5618: Chiyu BF-630 and BF-630W fingerprint access-control devices allow remote attackers to bypass authentication an

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HIGH 7.5MITIGATEMITIGATE

CVE-2015-5618 is a high-severity flaw (CVSS 7.5) affecting bf-630, bf-630w. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Chiyu BF-630 and BF-630W fingerprint access-control devices allow remote attackers to bypass authentication and (1) read or (2) modify (a) Voice Time Set configuration settings via a request to voice.htm or (b) UniFinger configuration settings via a request to bf.htm, a different vulnerability than CVE-2015-2871.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Weakness	CWE-264
Published	2015-08-01
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: chiyutw

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

Am I affected?

Timeline

2015-08-01 01:59 UTCPublished CVE record published
2026-06-17 00:29 UTCUpdated Record last modified

chiyutw bf-630 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

chiyutw bf-630w MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

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-2015-5618?

bf-630: mitigate or apply the listed mitigation; bf-630w: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-5618 being exploited?

CVE-2015-5618 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-2015-5618 affect?

CVE-2015-5618 affects bf-630, bf-630w. Severity is high (CVSS 7.5). Chiyu BF-630 and BF-630W fingerprint access-control devices allow remote attackers to bypass authentication and (1) read or (2) modify (a) Voice Time Set configuration settings via a request to voice.htm or (b) UniFinger configuration setti

How urgent is CVE-2015-5618?

Priority 46/100. High severity

Related CVEs

CVE-2015-2870 MEDIUM 4.3 MITIGATE MITIGATE Cross-site scripting (XSS) vulnerability on Chiyu BF-630, BF-630W, and BF-660C fingerprint access-control devi

References

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