Soumettre #620816: D-Link DIR-513 1.10 Buffer Overflow

The DIR-513 device utilizes the boa program to provide web services. During initialization through the websAspInit function, the program establishes a series of callback APIs. A POST request to the /goform/formSetWanPPPoE path triggers the formSetWanPPPoE callback function, which retrieves the curTime parameter from the request body. This parameter is subsequently processed in the sprintf(v12, "%s?t=%s", last_url, Var); statement, where it gets concatenated into a stack variable. Due to the absence of length validation for curTime, an excessively long input can trigger a stack overflow vulnerability, potentially leading to denial of service. With further exploitation, this vulnerability could enable attackers to obtain shell access.

• La source: ⚠️ https://github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formSetWanL2TP.md
• Utilisateur: AttackingLin (UID 88138)
• Soumission: 22/07/2025 16:57 (il y a 9 mois)
• Modérer: 25/07/2025 09:32 (3 days later)
• Statut: Accepté
• Entrée VulDB: 317582 [D-Link DIR-513 1.10 /goform/formSetWanPPPoE websAspInit curTime buffer overflow]
• Points: 20