CVE-2023-31761: Weak security in the transmitter of Blitzwolf BW-IS22 Smart Home Security Alarm v1.0 allows attackers to gain
CVE-2023-31761 is a high-severity flaw (CVSS 7.5) affecting bw-is22 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Weak security in the transmitter of Blitzwolf BW-IS22 Smart Home Security Alarm v1.0 allows attackers to gain full access to the system via a code replay attack.
Why this priority
- High severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Adjacent network |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 79%) |
| CISA exploited list | No |
| Weakness | CWE-294 |
| Published | 2023-05-24 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2023-31761?
bw-is22 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2023-31761 being exploited?
CVE-2023-31761 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-2023-31761 affect?
CVE-2023-31761 affects bw-is22 firmware. Severity is high (CVSS 7.5). Weak security in the transmitter of Blitzwolf BW-IS22 Smart Home Security Alarm v1.0 allows attackers to gain full access to the system via a code replay attack.
How urgent is CVE-2023-31761?
Priority 31/100. High severity