Buffer overflow in Fast Fac1900r
CVE-2026-96676
A vulnerability was identified in Fast FAC1900R 20190827_2.0.2. The impacted element is the function get_alias_name of the component uhttpd. Such manipulation leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (35.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Fast Fac1900r — versions 20190827_2.0.2
Weakness classification (CWE)
References
- vuldb.com/vuln/408999 (technical-description, vdb-entry)
- vuldb.com/vuln/408999/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-96676 (third-party-advisory)
- vuldb.com/submit/902770 (third-party-advisory)
- github.com/xiaobor123/vuls-find-VxWorks/tree/main/vul-find-FAST_FAC1900R-devDis… (exploit)
Frequently asked questions
- What is CVE-2026-96676?
- CVE-2026-96676 is a medium-severity vulnerability in Fast Fac1900r, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-09-23.
- How severe is CVE-2026-96676?
- Medium severity. CVSS v3 base score is 6.3 out of 10.