CVE-2025-3162: lmdeploy Input Validation Flaw — Exploit

Description

A vulnerability was found in InternLM LMDeploy up to 0.7.1. It has been classified as critical. Affected is the function load_weight_ckpt of the file lmdeploy/lmdeploy/vl/model/utils.py of the component PT File Handler. The manipulation leads to deserialization. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
internlm	lmdeploy	< 0.7.1

References

Advisories & Patches

https://github.com/InternLM/lmdeploy/issues/3255 https://github.com/InternLM/lmdeploy/issues/3255#issue-2918985270 https://github.com/InternLM/lmdeploy/issues/3255

Exploits

https://github.com/InternLM/lmdeploy/issues/3255 https://github.com/InternLM/lmdeploy/issues/3255#issue-2918985270 https://github.com/InternLM/lmdeploy/issues/3255

Other References

https://vuldb.com/?ctiid.303108 https://vuldb.com/?id.303108 https://vuldb.com/?submit.542520

Frequently Asked Questions

What is CVE-2025-3162? +

A vulnerability was found in InternLM LMDeploy up to 0.7.1. It has been classified as critical. Affected is the function load_weight_ckpt of the file lmdeploy/lmdeploy/vl/model/utils.py of the component PT File Handler. The manipulation leads to deserialization. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-3162? +

CVE-2025-3162 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-3162? +

CVE-2025-3162 affects products from internlm, specifically: lmdeploy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3162? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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