Security Resilience

CVE-2023-24152

RCE in Totolink T8 Firmware v4.1.5cu

Published
03 February 2023
Modified
26 March 2025
CVSS Score v3.1 9.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.021 81th percentile
Risk Priority 79 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-24152 is a critical-severity Command Injection (CWE-77) vulnerability in Totolink T8 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 19% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

CVE-2023-24152 is a command injection vulnerability affecting the TOTOLINK T8 router running firmware version V4.1.5cu. The flaw resides in the serverIp parameter of the meshSlaveUpdate function and is triggered when the device processes a specially crafted MQTT packet, allowing arbitrary command execution on the underlying system.

An unauthenticated attacker with network access can exploit the issue by sending a malicious MQTT packet to the device. Successful exploitation grants the attacker full control over the router, enabling arbitrary command execution with impacts on confidentiality, integrity, and availability.

The two provided references point to a public technical write-up and proof-of-concept on GitHub but contain no vendor advisory, patch information, or mitigation guidance. The associated EPSS score has remained flat at 0.0784 with no material increase since disclosure.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

A command injection vulnerability in the serverIp parameter in the function meshSlaveUpdate of TOTOLINK T8 V4.1.5cu allows attackers to execute arbitrary commands via a crafted MQTT packet.

CWE(s)

Related Threats

CVEs Like This One

CVE-2023-24151Same product: Totolink T8
CVE-2023-24156Same product: Totolink T8
CVE-2023-24154Same product: Totolink T8
CVE-2023-24157Same product: Totolink T8
CVE-2023-24153Same product: Totolink T8
CVE-2023-24150Same product: Totolink T8
CVE-2024-8077Same product: Totolink T8
CVE-2024-46451Same product: Totolink T8
CVE-2024-8580Same product: Totolink T8
CVE-2024-0944Same product: Totolink T8

Affected Assets

totolink
t8 firmware
v4.1.5cu

Mitigating Controls

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

blocks

A.8.25 mandates secure SDLC practices including secure coding guidelines, security requirements, checkpoints, testing (scans/penetration), and developer training that reduce command injection defects, but leaves a minority slice (e.g. incomplete implementation of those practices, outsourced development without full assurance, or post-SDLC changes) where the weakness can still arise and be exploitable.

blocks

Application security requirements explicitly call for controls against injection flaws including command injection.

blocks

A.8.27 mandates security-by-design principles (e.g. distrust external input, secure session control, data validation/sanitization, least privilege) and design reviews that can stop command injection from being introduced, but this is only a minority slice of CWE-77 because the weakness can still arise in code that bypasses those principles, in non-reviewed components, or in runtime injection vectors the architecture review does not reach.

prevents

Secure coding standards require proper escaping and parameterization of commands, directly eliminating CWE-77.

finds

Security testing in development catches command-injection vulnerabilities before release.

Hardening callouts derived

DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.

  • No fine-grained STIG row for CWE-77, a class-level weakness, and none of its children carries one either.

References