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CVE-2025-14879 โ€” AI Deep Analysis Summary

CVSS 9.8 ยท Critical

Q1What is this vulnerability? (Essence + Consequences)

๐Ÿšจ **Essence**: Stack Buffer Overflow in Tenda WH450. ๐Ÿ“‰ **Consequences**: Full system compromise. The `ssid_index` parameter in `/goform/onSSIDChange` is mishandled, leading to memory corruption.โ€ฆ

Q2Root Cause? (CWE/Flaw)

๐Ÿ›ก๏ธ **CWE**: CWE-121 (Stack-based Buffer Overflow). ๐Ÿ” **Flaw**: Improper handling of the `ssid_index` input. ๐Ÿ“ **Root**: The application fails to validate input length, allowing data to overwrite the stack.

Q3Who is affected? (Versions/Components)

๐Ÿข **Vendor**: Tenda (China). ๐Ÿ“ฆ **Product**: WH450 Wireless Access Point. ๐Ÿ“… **Affected Version**: **1.0.0.18** specifically. โš ๏ธ Check your firmware version immediately!

Q4What can hackers do? (Privileges/Data)

๐Ÿ”“ **Privileges**: Remote Code Execution (RCE). ๐Ÿ•ต๏ธ **Data**: High Confidentiality & Integrity impact. ๐ŸŒ **Access**: No authentication required (PR:N). Hackers can take full control of the device.

Q5Is exploitation threshold high? (Auth/Config)

๐Ÿ“‰ **Threshold**: LOW. ๐Ÿšซ **Auth**: None required (PR:N). ๐Ÿ–ฑ๏ธ **UI**: None required (UI:N). ๐ŸŒ **Vector**: Network (AV:N). Easy to exploit remotely via HTTP.

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

๐Ÿ“‚ **Exploit**: Yes, PoC available. ๐Ÿ”— **Source**: GitHub (z472421519/BinaryAudit). ๐Ÿ“„ **Details**: VDB-337370 contains technical descriptions. โš ๏ธ Wild exploitation risk is HIGH.

Q7How to self-check? (Features/Scanning)

๐Ÿ” **Check**: Scan for `/goform/onSSIDChange` endpoint. ๐Ÿ“ก **Feature**: Look for Tenda WH450 devices. ๐Ÿ› ๏ธ **Tool**: Use vulnerability scanners detecting stack overflows in embedded HTTP servers.โ€ฆ

Q8Is it fixed officially? (Patch/Mitigation)

๐Ÿ›ก๏ธ **Patch**: Not explicitly listed in data. ๐Ÿ“ž **Action**: Contact Tenda support. ๐Ÿ”„ **Mitigation**: Check vendor site (tenda.com.cn) for updates. ๐Ÿšซ **Status**: No official patch link provided in source data.

Q9What if no patch? (Workaround)

๐Ÿšง **Workaround**: Block external access to the management interface. ๐Ÿ›‘ **Network**: Disable remote administration. ๐Ÿ”’ **Firewall**: Restrict access to LAN only.โ€ฆ

Q10Is it urgent? (Priority Suggestion)

๐Ÿ”ฅ **Urgency**: CRITICAL. ๐Ÿšจ **Priority**: P1. ๐Ÿ“‰ **CVSS**: 9.8 (Critical). โณ **Time**: Patch immediately or isolate. ๐Ÿšซ **Risk**: High due to no auth requirement and available PoC.