CVE-2025-58321 — AI Deep Analysis Summary

Q: Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation Threshold**: **LOW**. 🔓 **Auth**: **None Required** (PR:N). 🌐 **Network**: **Network** accessible (AV:N). 🎯 **Complexity**: **Low** (AC:L). Easy to exploit remotely.

Q: Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **Yes**. 📅 **Published**: 2025-09-11. 📥 **Action**: Check the official Delta Electronics advisory for patch details or mitigation steps.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 📈 **Priority**: **P1**. 🚀 **Reason**: Remote, unauthenticated, high-impact vulnerability in critical industrial infrastructure. Patch immediately!

Updated May 06, 2026 CVSS 10.0 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Delta Electronics DIALink suffers from a **Directory Traversal Authentication Bypass**.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)**.…

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Q3Who is affected? (Versions/Components)

🏭 **Affected Vendor**: **Delta Electronics**. <br>📦 **Product**: **DIALink** (Industrial Automation Communication Gateway).…

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Q4What can hackers do? (Privileges/Data)

🕵️ **Attacker Actions**: <br>1️⃣ **Bypass Auth**: Skip login requirements entirely. <br>2️⃣ **Read Files**: Access sensitive system files outside the web root.…

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Q5Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation Threshold**: **LOW**. <br>🔓 **Auth**: **None Required** (PR:N). <br>🌐 **Network**: **Network** accessible (AV:N). <br>🎯 **Complexity**: **Low** (AC:L). Easy to exploit remotely.

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

📜 **Public Exploit**: **No PoC provided** in the current data.…

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Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1️⃣ Scan for **DIALink** devices on your network. <br>2️⃣ Test for **Directory Traversal** patterns (e.g., `../`) in HTTP requests.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **Yes**. <br>📅 **Published**: 2025-09-11. <br>📥 **Action**: Check the official Delta Electronics advisory for patch details or mitigation steps.

Q9What if no patch? (Workaround)

🛑 **No Patch Workaround**: <br>1️⃣ **Isolate**: Place DIALink behind a strict **Firewall/WAF**. <br>2️⃣ **Restrict**: Limit network access to trusted IPs only.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>📈 **Priority**: **P1**. <br>🚀 **Reason**: Remote, unauthenticated, high-impact vulnerability in critical industrial infrastructure. Patch immediately!

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Vulnerability detail Full AI analysis (login) Delta Electronics CWE-22