TeraTerm Project TTSSH2 up to 3.6.1 Length length parameter

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k2.88+

Summaryinfo

A vulnerability was found in TeraTerm Project TTSSH2 up to 3.6.1 and classified as critical. Affected by this issue is some unknown functionality of the component Length Handler. Such manipulation leads to length parameter. This vulnerability is traded as CVE-2026-60060. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in TeraTerm Project TTSSH2 up to 3.6.1. It has been rated as critical. Affected by this issue is an unknown code of the component Length Handler. The manipulation with an unknown input leads to a length parameter vulnerability. Using CWE to declare the problem leads to CWE-130. The product parses a formatted message or structure, but it does not handle or incorrectly handles a length field that is inconsistent with the actual length of the associated data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper Handling of Length Parameter Inconsistency (CWE-130) vulnerability exists in TTSSH2 plugin of Tera Term provided by TeraTerm Project. When Tera Term attempts to establish an SSH connection to a server set up by an attacker, out-of-bounds read/write may occur. As a result, the contents of adjacent memory regions may be transmitted to the server, and Tera Term may behave unexpected or terminate abnormally.

The advisory is available at teratermproject.github.io. This vulnerability is handled as CVE-2026-60060 since 07/10/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/17/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-45139). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Length parameter
CWE: CWE-130 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/10/2026 CVE reserved
07/17/2026 +7 days Advisory disclosed
07/17/2026 +0 days VulDB entry created
07/17/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: teratermproject.github.io
Status: Not defined

CVE: CVE-2026-60060 (🔒)
GCVE (CVE): GCVE-0-2026-60060
GCVE (VulDB): GCVE-100-379754
EUVD: 🔒

Entryinfo

Created: 07/17/2026 07:21
Updated: 07/17/2026 08:44
Changes: 07/17/2026 07:21 (53), 07/17/2026 08:44 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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