Alpine iLX-F511 7.0.000 prh_sdp_service_search_decode stack-based overflow

Summaryinfo

A vulnerability classified as very critical has been found in Alpine iLX-F511 7.0.000. This impacts the function prh_sdp_service_search_decode. The manipulation leads to stack-based overflow. This vulnerability is listed as CVE-2026-118605. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Alpine iLX-F511 7.0.000 and classified as very critical. This issue affects the function prh_sdp_service_search_decode. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Alpine iLX-F511 prh_sdp_service_search_decode Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Alpine iLX-F511 devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The specific flaw exists within the prh_sdp_service_search_decode function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-29069.

It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2026-118605 since 10/28/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/28/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Alpine

Name

• iLX-F511

Version

• 7.0.000

CPE 2.3info

• 🔒

CPE 2.2info

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