Is CVE-2023-40848 actively exploited?

No active exploitation of CVE-2023-40848 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-40848 be exploited remotely?

Yes. CVE-2023-40848 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-40848?

CVE-2023-40848 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-40848

CRITICAL

CVE-2023-40848

CWE-787Published: August 30, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via the function "sub_7D858."

NVD Source

Risk Analysis

Tenda AC6 firmware contains a buffer overflow vulnerability that could allow an attacker to execute arbitrary code. The critical severity rating reflects the potential for full device compromise.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low attack complexity.

Recommended Action

Check for and apply the latest firmware updates provided by Tenda for the AC6 device.

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-2023-40848 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-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.