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CVE-2026-6350 β€” AI Deep Analysis Summary

CVSS 9.8 Β· Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A critical **Stack Buffer Overflow** in Openfind MailGates & MailAudit.…

Q2Root Cause? (CWE/Flaw)

πŸ›‘οΈ **Root Cause**: **CWE-121** (Stack-based Buffer Overflow). The software fails to properly validate input boundaries, allowing data to overwrite adjacent memory on the stack.

Q3Who is affected? (Versions/Components)

🏒 **Affected**: **Openfind MailGates** (Email Security Gateway) and **Openfind MailAudit** (Enterprise Email Audit). Vendor: **Openfind** (China). πŸ“… Published: 2026-04-16.

Q4What can hackers do? (Privileges/Data)

πŸ”“ **Impact**: **High Severity** (CVSS 9.8). Hackers gain **Full System Control**. They can read sensitive emails, modify audit logs, and use the server as a pivot point for further attacks.

Q5Is exploitation threshold high? (Auth/Config)

⚑ **Exploitability**: **Low Threshold**. CVSS indicates **Network Accessible** (AV:N), **Low Complexity** (AC:L), and **No Privileges** (PR:N) required. No user interaction needed! 🎯

Q6Is there a public Exp? (PoC/Wild Exploitation)

πŸ“¦ **Public Exploit**: **None Detected**. The `pocs` field is empty. However, given the low complexity, Proof-of-Concepts may emerge quickly. Stay vigilant! πŸ‘€

Q7How to self-check? (Features/Scanning)

πŸ” **Self-Check**: Scan for **Openfind MailGates** and **MailAudit** services. Check version numbers against vendor advisories. Look for unpatched instances exposed to the network.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix Status**: **Patch Available**. Refer to official vendor updates and **TW-CERT** advisories (links provided in references). Immediate patching is recommended.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: **Mitigation**: Isolate the affected systems from the internet. Apply strict **WAF rules** to block malformed packets. Restrict network access to trusted IPs only.

Q10Is it urgent? (Priority Suggestion)

πŸ”₯ **Urgency**: **CRITICAL**. With CVSS 9.8 and no auth required, this is a **Zero-Day Risk**. Prioritize patching immediately to prevent catastrophic compromise. πŸƒβ€β™‚οΈπŸ’¨