Is CVE-2023-49701 actively exploited?

No active exploitation of CVE-2023-49701 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-49701 be exploited remotely?

Yes. CVE-2023-49701 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-49701?

CVE-2023-49701 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-49701

CWE-119Published: November 30, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Memory Corruption in SIM management while USIMPhase2init

NVD Source

Risk Analysis

This vulnerability involves memory corruption during the USIM initialization process on ASR1803 and ASR1806 devices. The 9.8 CVSS score indicates a critical risk that could allow for remote code execution or system instability.

There is no known public exploit for this vulnerability, and it is not in the KEV catalog. It is remotely exploitable.

Recommended Action

Check with the manufacturer for firmware updates addressing this memory corruption issue and apply them as soon as possible.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-49701 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.