CVE-2026-101039FAST FAC1900R devdiscover Service copy_msg_element stack-based overflow
Updated under an hour ago ()
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It affects FAST FAC1900R. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.74%, higher than 53% of scored CVEs.
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A vulnerability was identified in FAST FAC1900R 20190827_2.0.2. Affected by this issue is the function copy_msg_element of the component devdiscover Service. Such manipulation leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
- CVSS
- 10.0 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-121, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.74% (percentile 53)
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 28, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
FAST FAC1900R fast:fac1900r | 20190827_2.0.2 | CNA record |
References
- https://vuldb.com/vuln/410907vdb-entry, technical-description
- https://vuldb.com/vuln/410907/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-101039third-party-advisory
- https://vuldb.com/submit/927251third-party-advisory
- https://github.com/xiaobor123/vuls-find-VxWorks/tree/main/vul-find-FAST_FAC1900R-copy_msg_element(2)exploit
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.