CVE-2026-43858
HIGHCVSS 8.6/10EPSS 0.74%
Last modified
CVE-2026-43858 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. A stack-based buffer overflow vulnerability could allow a remote authenticated attacker to achieve arbitrary code execution.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.
Description
A stack-based buffer overflow vulnerability could allow a remote authenticated attacker to achieve arbitrary code execution.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Advantech | ADAM-3600 | prior to version 2.8.5.0 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-43858?
A stack-based buffer overflow vulnerability could allow a remote authenticated attacker to achieve arbitrary code execution.
How severe is CVE-2026-43858?
CVE-2026-43858 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.
How do I fix CVE-2026-43858?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-43852A vulnerability could allow an authenticated attacker to wri…8.2
- CVE-2026-43853A vulnerability could allow an attacker to send a crafted me…8.2
- CVE-2026-43854A vulnerability could allow an attacker with access to an en…6.3
- CVE-2026-43855A heap-based buffer overflow vulnerability could allow a rem…7.5
- CVE-2026-43856A stack-based buffer overflow vulnerability in the FileProce…8.6
- CVE-2026-43857A vulnerability could allow a remote authenticated attacker …8.6
- CVE-2026-43859mutt before 2.3.2 sometimes uses strfcpy instead of memcpy f…3.7
- CVE-2026-43860mutt before 2.3.2 sometimes truncates the hash_passwd by one…3.7
- CVE-2026-43861mutt before 2.3.2 does not check for '\0' in url_pct_decode.3.7
- CVE-2026-43862In mutt before 2.3.2, the imap_auth_gss security level is mi…3.7
- CVE-2026-43863mutt before 2.3.2 has an infinite loop in data_object_to_str…3.7
- CVE-2026-43864mutt before 2.3.2 has a show_sig_summary NULL pointer derefe…2.5
Are you affected by CVE-2026-43858?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST