CVE-2025-70957Network attack vector

Unauthenticated service interruption via deserialized VM continuations

Published Feb 13, 2026 · Updated Feb 13, 2026

Denial of service in TON Lite Server before 2024.09 allows remote attackers to exhaust CPU resources through locally executed get methods. LiteQuery::perform_runSmcMethod deserializes attacker-supplied VM stack arguments with continuations enabled, allowing crafted continuations to perform deeply recursive jumps whose CPU cost is barely reflected in virtual gas. Unauthenticated gateway access is sufficient to monopolize server processing and reduce throughput for legitimate users, without reported confidentiality or integrity impact.

CVSS severity7.5
High
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in TON Lite Server before 2024.09 allows remote attackers to exhaust CPU resources through locally executed get methods. LiteQuery::perform_runSmcMethod deserializes attacker-supplied VM stack arguments with continuations enabled, allowing crafted continuations to perform deeply recursive jumps whose CPU cost is barely reflected in virtual gas. Unauthenticated gateway access is sufficient to monopolize server processing and reduce throughput for legitimate users, without reported confidentiality or integrity impact.

The record

CVE
CVE-2025-70957
Published
Feb 13, 2026
Updated
Feb 13, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-674, T1499.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-674Uncontrolled Recursion
T1499.003Application Exhaustion Flood

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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