Buffer overflow in Newtec/idirect Ntc2218, Ntc2250, Ntc2299

CVE-2024-13503

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.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (41.1th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-13503?
CVE-2024-13503 is a vulnerability in Newtec/idirect Ntc2218, Ntc2250, Ntc2299, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2025-01-17.
Is CVE-2024-13503 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.