OpenText RightFax up to 25.4.2.347 on Windows deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in OpenText RightFax up to 25.4.2.347 on Windows. This vulnerability affects unknown code. The manipulation leads to deserialization. This vulnerability is uniquely identified as CVE-2025-15610. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in OpenText RightFax up to 25.4.2.347 on Windows. It has been rated as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Deserialization of untrusted data vulnerability in OpenText, Inc RightFax on Windows, 64 bit, 32 bit allows Object Injection.This issue affects RightFax: through 25.4.

It is possible to read the advisory at support.opentext.com. The identification of this vulnerability is CVE-2025-15610 since 03/16/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/30/2026).

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-2025-209477). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

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

03/16/2026 CVE reserved
04/15/2026 +29 days Advisory disclosed
04/15/2026 +0 days VulDB entry created
04/30/2026 +15 days VulDB entry last update

Sourcesinfo

Advisory: KB0861863
Status: Confirmed

CVE: CVE-2025-15610 (🔒)
GCVE (CVE): GCVE-0-2025-15610
GCVE (VulDB): GCVE-100-357767
EUVD: 🔒

Entryinfo

Created: 04/15/2026 20:06
Updated: 04/30/2026 06:26
Changes: 04/15/2026 20:06 (65), 04/30/2026 06:26 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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