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CVE-2025-70955

7.5 · HIGH
Published Feb 13, 2026 CWE-674

Overview

CVE-2025-70955 is a high-severity vulnerability. It was published on February 13, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

A Stack Overflow vulnerability was discovered in the TON Virtual Machine (TVM) before v2024.10. The vulnerability stems from the improper handling of vmstate and continuation jump instructions, which allow for continuous dynamic tail calls. An attacker can exploit this by crafting a smart contract with deeply nested jump logic. Even within permissible gas limits, this nested execution exhausts the host process's stack space, causing the validator node to crash. This results in a Denial of Service (DoS) for the TON blockchain network.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHub gist.github.com/Lucian-code233/25b0a13be569db9160340d9ecd2fdf0d GitHub github.com/ton-blockchain/ton/commit/b5734d2e30b9c93cfdacb4ea37c9ebdf11ca5d49#diff-17eca9db515992a081522236bf9bad767fac171044f7c00c20bf740f4206b3de GitHub github.com/ton-blockchain/ton/releases/tag/v2024.10#:~:text=krigga%20%28emulator%29%2C-%2CArayz%2C-%40%20TonBit%20%28LS%20security Ref mp.weixin.qq.com/s/wy2ea6udkNZzIsp1K2LEOQ

Frequently Asked Questions

What is CVE-2025-70955?

CVE-2025-70955 is a high-severity vulnerability. It was published on February 13, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-70955?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-70955?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-70955?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-70955 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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