CVE-2026-15340
lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.
CVSS
9.8
Critical
EPSS
0.6%
p48
KEV
—
Exploit Today
14
0-100
Published: Oct 9, 2026 · Last modified: Oct 11, 2026 · CWE-120
0.6%EPSS · 30 days0.6%
2026-10-102026-10-23
lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-1142689.9 CRI42.7%
——13A flaw has been found in Tenda BE3L Pro 16.03.60.62. Affected by this vulnerability is the function formWifiBasicSet of the file /goform/WifiBasicSet. This manipulation of the argument security_5g causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.1dCVE-2026-1011035.5 MED1.9%
——1The PEAK-System PCAN diagnostic call did not validate that the caller-supplied output buffer was large enough to hold the output record.3dCVE-2026-43837—29.3%
——9A buffer overflow vulnerability in the password verification functionality could allow an attacker with guest authentication to achieve code execution.3dCVE-2026-118296.5 MED13.6%
——4IBM MQ could allow an authenticated attacker to cause a denial of service due to improper validation of offset values in MQOPEN requests.4dCVE-2026-118285.9 MED16.0%
——5IBM MQ could allow a remote attacker with queue manager control or man-in-the-middle access on unencrypted channels to cause a denial of service in client applications using asynchronous message consumption due to improper validation of queue name length values.5hCVE-2026-1121086.3 MED36.2%
——11A vulnerability was determined in ztxz16 fastllm up to 0.1.8.2. This impacts the function GGUFBuffer::ReadString of the file third_party/gguf/gguf.cpp of the component String Parsing. This manipulation of the argument len causes buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.2d