Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: Authentication Bypass in Intelbras SG 2404 MR.
💥 **Consequences**: Unauthenticated attackers can download backup files containing **critical config info** and **hashed passwords**.…

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **Root Cause**: Lack of Access Control on specific endpoints.
🔍 **Flaw**: The endpoint `/cgi-bin/exportCfgwithpasswd` does not require login.…

Question 3

Who is affected? (Versions/Components)

Accepted Answer

📦 **Affected Product**: Intelbras SG 2404 MR (L2+ Switch).
📉 **Version**: Firmware **1.00.54**.
🌍 **Vendor**: Intelbras (Brazil). Check your network gear if you use this model!

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

🕵️ **Attacker Actions**:
1. Download full device backup.
2. Extract **user credentials** (hashed passwords).
3. Reveal **network topology** & config details.
🔓 **Privilege**: None needed!…

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

⚡ **Threshold**: **EXTREMELY LOW**.
🔑 **Auth**: None.
🌐 **Access**: Just need network reachability to the device IP.
🎯 **Ease**: One simple HTTP GET request. No complex setup.

Question 6

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

Accepted Answer

💻 **Public Exploit**: **YES**.
🔗 **PoC**: Available on GitHub (leonardobg/CVE-2023-36144).
🤖 **Scanner**: Nuclei templates exist.
⚠️ **Risk**: Wild exploitation is highly likely due to simplicity.

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Self-Check Method**:
1. Target: `http:///cgi-bin/exportCfgwithpasswd`
2. Action: Send GET request.
3. Result: If a `.tar`/`.zip` file downloads automatically → **VULNERABLE**!…

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

🩹 **Official Fix**: Check Intelbras support for firmware updates > 1.00.54.
📢 **Status**: CVE published June 2023. Vendor likely aware.
⏳ **Action**: Contact vendor immediately for a patched version.

Question 9

What if no patch? (Workaround)

Accepted Answer

🚧 **No Patch? Workaround**:
1. **Block Access**: Firewall rules to deny external access to `/cgi-bin/` endpoints.
2. **Isolate**: Move switch to a restricted VLAN.
3.…

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🔥 **Urgency**: **HIGH**.
📉 **CVSS**: Likely High (due to Confidentiality impact & No Auth).
🚀 **Priority**: Patch immediately or apply strict network segmentation. Don't leave your config exposed!

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2023-36144 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

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

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

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