VulnSocial

CVE-2026-5846Patch

LOWCVSS 7.6 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-321

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-07-30); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-07-30: 2Mentions · 2026-07-31: 1Patch / Workaround · 2026-07-30: 2Technical Details · 2026-07-31: 107-3007-31
Signal classification2 categories
Patch
266.7%
Disclosure
133.3%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-07-302
Patch2
2026-07-311
Disclosure1
Full discourse3 posts
  • BREACHSPIDER@breachspider
    Disclosure

    [Threat Brief] Watchfire Controller Software Hard-Coded Cryptographic Key (CVE-2026-5846): Firmware Trust Chain Failure https://breachspider.com/intel/2026-07-31-watchfire-controller-software-hard-coded-cryptographic-key-c #ICS #OTSecurity #SCADA #CriticalInfrastructure

    Post summary

    The brief announces a vulnerability (CVE‑2026‑5846) in Watchfire Controller Software where a hard‑coded cryptographic key breaks the firmware trust chain, but it does not provide a PoC, exploit, patch, or evidence of active exploitation.

    01010115
    2.3K followersView on X
  • Windows Forum@windowsforum
    Patch

    All connection attempts failed https://windowsforum.com/security-alerts.84/cve-2026-5846-patch-watchfire-controllers-against-malicious-firmware.440964/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #FirmwareSecurity #CisaAdvisories #Cve20265846 #WatchfireControllers https://t.co/VFB9SOwFk2

    Post summary

    The tweet announces a patch for Watchfire controllers to protect against malicious firmware associated with CVE‑2026‑5846, with no active exploitation or PoC details cited.

    0000050
    1.3K followersView on X
  • Windows Forum@windowsforum
    Patch

    All connection attempts failed https://windowsforum.com/security-alerts.84/cve-2026-5846-patch-watchfire-controllers-against-malicious-firmware.440964/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #FirmwareSecurity #CisaAdvisories #Cve20265846 #WatchfireControllers https://t.co/OJybXbavq3

    Post summary

    The post announces a patch for Watchfire controller firmware addressing CVE‑2026‑5846; it does not provide a PoC, exploitation details, or technical specifics.

    0000049
    1.3K followersView on X

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