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CVE Vulnerability Details :
CVE-2025-70954
PUBLISHED
More InfoOfficial Page
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
View Known Exploited Vulnerability (KEV) details
Published At-13 Feb, 2026 | 00:00
Updated At-17 Feb, 2026 | 18:29
Rejected At-
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/ton-blockchain/ton/commit/9e5109d56bc4f2345a00b2271c3711103841b799
N/A
https://github.com/ton-blockchain/ton/releases/tag/v2025.06#:~:text=AArayz%2C%20wy666444%2C%20Robinlzw%2C%20Lucian-code233
N/A
https://mp.weixin.qq.com/s/IbRKrCKdMyIi-azkuqOOvg
N/A
https://gist.github.com/Lucian-code233/04940a264cab50732cc07fd991749226
N/A
Hyperlink: https://github.com/ton-blockchain/ton/commit/9e5109d56bc4f2345a00b2271c3711103841b799
Resource: N/A
Hyperlink: https://github.com/ton-blockchain/ton/releases/tag/v2025.06#:~:text=AArayz%2C%20wy666444%2C%20Robinlzw%2C%20Lucian-code233
Resource: N/A
Hyperlink: https://mp.weixin.qq.com/s/IbRKrCKdMyIi-azkuqOOvg
Resource: N/A
Hyperlink: https://gist.github.com/Lucian-code233/04940a264cab50732cc07fd991749226
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-476CWE-476 NULL Pointer Dereference
Type: CWE
CWE ID: CWE-476
Description: CWE-476 NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
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
exploit
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
Resource:
exploit
Details not found