Is CVE-2023-48803 actively exploited?

No active exploitation of CVE-2023-48803 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-48803 be exploited remotely?

Yes. CVE-2023-48803 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-48803?

CVE-2023-48803 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-48803

CWE-78Published: November 30, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In TOTOLINK X6000R V9.4.0cu.852_B20230719, the shttpd file, sub_4119A0 function obtains fields from the front-end through Uci_ Set_ The Str function when passed to the CsteSystem function creates a command execution vulnerability.

NVD Source

Risk Analysis

This vulnerability allows for command execution due to improper handling of user-supplied input in the device's web interface. With a CVSS score of 9.8, it represents a critical risk as it allows unauthenticated remote attackers to take full control of the device.

There is no known public exploit for this vulnerability, and it is not currently listed in CISA's KEV catalog. It is remotely exploitable due to the network-accessible vector.

Recommended Action

Users should check for firmware updates from TOTOLINK for the X6000R and apply them immediately. Restricting management interface access to trusted networks is recommended.

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-2023-48803 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.