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NVD Vulnerability Details :
CVE-2025-70954
Received
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-13 Feb, 2026 | 22:16
Updated At-17 Feb, 2026 | 19:21

A Null Pointer Dereference vulnerability exists in the TON Virtual Machine (TVM) within the TON Blockchain before v2025.06. The issue is located in the execution logic of the INMSGPARAM instruction, where the program fails to validate if a specific pointer is null before accessing it. By sending a malicious transaction or smart contract, an attacker can trigger this null pointer dereference, causing the validator node process to crash (segmentation fault). This results in a Denial of Service (DoS) affecting the availability of the entire blockchain network.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-476Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-476
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://gist.github.com/Lucian-code233/04940a264cab50732cc07fd991749226cve@mitre.org
N/A
https://github.com/ton-blockchain/ton/commit/9e5109d56bc4f2345a00b2271c3711103841b799cve@mitre.org
N/A
https://github.com/ton-blockchain/ton/releases/tag/v2025.06#:~:text=AArayz%2C%20wy666444%2C%20Robinlzw%2C%20Lucian-code233cve@mitre.org
N/A
https://mp.weixin.qq.com/s/IbRKrCKdMyIi-azkuqOOvgcve@mitre.org
N/A
https://www.tonbit.xyz/blog/post/TonBit-Discovers-Critical-Vulnerability-on-TON-Virtual-Machine-for-the-Third-Time-Once-Again-Receiving-Official-Recognition-from-the-TON-Team.html134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://gist.github.com/Lucian-code233/04940a264cab50732cc07fd991749226
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://github.com/ton-blockchain/ton/commit/9e5109d56bc4f2345a00b2271c3711103841b799
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://github.com/ton-blockchain/ton/releases/tag/v2025.06#:~:text=AArayz%2C%20wy666444%2C%20Robinlzw%2C%20Lucian-code233
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://mp.weixin.qq.com/s/IbRKrCKdMyIi-azkuqOOvg
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.tonbit.xyz/blog/post/TonBit-Discovers-Critical-Vulnerability-on-TON-Virtual-Machine-for-the-Third-Time-Once-Again-Receiving-Official-Recognition-from-the-TON-Team.html
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A
Change History
0Changes found
Details not found