CVE-2024-13503CWE-120

Stack-Based Buffer Overflow in Newtec's update signaling causes RCE

Critical · published January 17, 2025

CVSS v4.0
9.5
EPSS
1%
Percentile
43.3
In the wild
Unconfirmed
What it is

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Newtec NTC2218, NTC2250, NTC2299 on Linux, PowerPC, ARM (Updating signaling process in the swdownload binary modules) allows Local Execution of Code, Remote Code Inclusion.

This issue affects NTC2218, NTC2250, NTC2299: from 1.0.1.1 through 2.2.6.19. The issue is both present on the PowerPC versions of the modem and the ARM versions.

A stack buffer buffer overflow in the swdownload binary allows attackers to execute arbitrary code. The parse_INFO function uses an unrestricted `sscanf` to read a string of an incoming network packet into a statically sized buffer.

The record
Technical detail
CVSS v4.0
9.5 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
EPSS
0.00519 · 43.3th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2025-01-17T13:52Z
EPSS history
Timeline
  • 17 JAN 13:52Z
    Stack-Based Buffer Overflow in Newtec's update signaling causes RCE
    cvelistv5