Vulnerability · Published Jul 30, 2026 · Assigned by icscert

CVE-2026-5846Hard-coded Cryptographic Key in Watchfire Controllers

Medium 5.7

In plain English

A medium-severity security flaw in BC550 from Watchfire. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)5.7Medium

Exploit odds (30 days)0.2%top 88.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The affected Watchfire Controller Software contains self-signed hard-coded RSA private keys and corresponding X.509 certificates used for authenticating and encrypting HTTPS/TLS connections to the controller's built-in web management interface. These keys are embedded in plaintext within the application patch binaries in the firmware directly from Watchfire's Remote Support filestore.

Affected products (as reported)

Vendor	Product	Versions
Watchfire	BC550	12.30
Watchfire	BC750	11.3312.35
Watchfire	BC760	12.3813.00
Watchfire	BC760DC	12.39

Weakness: CWE-321 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N

In plain English

Official description

Affected products (as reported)

References