CVE-2022-25745CWE-670

Always Incorrect Control Flow Implementation in MODEM

Critical · published April 4, 2023

CVSS v3.1
9.8
EPSS
0%
Percentile
34.9
In the wild
Unconfirmed
What it is

🔥 A tiny flaw in modem input validation could lead to absolute chaos! Think of it like a delivery service that accepts packages without checking the contents — if a bad package slips through, it could cause major disruptions. That's what happens here when a malformed CoAP message comes in! An attacker could exploit this memory corruption to crash the modem or, even worse, execute arbitrary code. This means they could gain control over the device, potentially turning it into a gateway for further attacks. The consequences could be absolutely devastating!

Put simply

Think of it like a delivery service that accepts packages without checking the contents — if a bad package slips through, it could cause major disruptions. That's what happens here when a malformed CoAP message comes in! CVE-2022-25745 reveals a memory corruption issue stemming from improper input validation when handling incoming CoAP messages in the modem. This flaw allows attackers to manipulate memory and potentially gain unauthorized access.

What to do

An attacker could exploit this memory corruption to crash the modem or, even worse, execute arbitrary code. This means they could gain control over the device, potentially turning it into a gateway for further attacks. The consequences could be absolutely devastating! To safeguard your systems, immediately update your modem firmware to the latest version provided by your manufacturer. Ensure comprehensive input validation to guard against malformed messages, and review your security policies to mitigate potential risks. You've got this! With these steps, you can bolster your defenses and keep your systems safe! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00417 · 34.9th percentile
Weakness
CWE-670 · Always-Incorrect Control Flow Implementation
Published
2023-04-04T04:46Z
EPSS history
Timeline
  • 04 APR 04:46Z
    Always Incorrect Control Flow Implementation in MODEM
    cvelistv5