CVE-2025-15233CWE-119CWE-122

CVE-2025-15233

High · published December 30, 2025

CVSS v3.1
8.8
EPSS
1%
Percentile
53.9
In the wild
Unconfirmed
What it is

⚡ Tenda M3 routers are in hot water — a remote attacker can exploit a heap-based buffer overflow just by playing with some parameters! 🔥 Think of it like a waiter at a restaurant who delivers an oversized order because the kitchen never checks the size of the plates. If the order is too big, it could overflow onto the table, causing a mess and confusion! An attacker could potentially take complete control of the router, leading to unauthorized access to your network. This could expose sensitive information, disrupt your internet connection, or even allow further attacks on other connected devices. It's a serious threat that shouldn't be taken lightly!

Put simply

Think of it like a waiter at a restaurant who delivers an oversized order because the kitchen never checks the size of the plates. If the order is too big, it could overflow onto the table, causing a mess and confusion! This vulnerability arises from the function formSetAdInfoDetails in the Tenda M3 firmware. By manipulating certain input parameters, an attacker can trigger a heap-based buffer overflow that may allow them to execute arbitrary code remotely.

What to do

An attacker could potentially take complete control of the router, leading to unauthorized access to your network. This could expose sensitive information, disrupt your internet connection, or even allow further attacks on other connected devices. It's a serious threat that shouldn't be taken lightly! To protect your network, update the Tenda M3 firmware to version 1.0.0.14 or higher immediately. Additionally, consider reviewing your network security settings and monitoring for any unusual activity. Don't wait until it's too late! You've got this — with a quick update, you can secure your router and keep your network safe! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00736 · 53.9th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-122 · Heap-based Buffer Overflow
Published
2025-12-30T13:15Z
Affected products (1)
ProductVersionsFixed in
tenda/m3_firmwareall versions—
References (5)
EPSS history
Timeline
  • 30 DEC 08:02Z
    Tenda M3 setAdInfoDetail formSetAdInfoDetails heap-based overflow
    cvelistv5