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Vulnerability Details :

CVE-2018-25299

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-29 Apr, 2026 | 19:24
Updated At-30 Apr, 2026 | 13:59
Rejected At-
Credits

Prime95 29.4b8 Local Buffer Overflow via SEH

Prime95 29.4b8 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting structured exception handling (SEH) mechanisms. Attackers can inject malicious payload through the optional proxy hostname field in the PrimeNet connection settings to trigger the overflow and execute system commands.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:29 Apr, 2026 | 19:24
Updated At:30 Apr, 2026 | 13:59
Rejected At:
â–¼CVE Numbering Authority (CNA)
Prime95 29.4b8 Local Buffer Overflow via SEH

Prime95 29.4b8 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting structured exception handling (SEH) mechanisms. Attackers can inject malicious payload through the optional proxy hostname field in the PrimeNet connection settings to trigger the overflow and execute system commands.

Affected Products
Vendor
Mersenne
Product
Prime95
Versions
Affected
  • 29.4b8
Problem Types
TypeCWE IDDescription
CWECWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Type: CWE
CWE ID: CWE-120
Description: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Metrics
VersionBase scoreBase severityVector
4.08.6HIGH
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.18.4HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 8.4
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
crash_manucoot
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.exploit-db.com/exploits/44649
exploit
https://www.mersenne.org/
product
https://www.mersenne.org/download/#download
product
https://www.vulncheck.com/advisories/prime95-29-4b8-local-buffer-overflow-via-seh
third-party-advisory
Hyperlink: https://www.exploit-db.com/exploits/44649
Resource:
exploit
Hyperlink: https://www.mersenne.org/
Resource:
product
Hyperlink: https://www.mersenne.org/download/#download
Resource:
product
Hyperlink: https://www.vulncheck.com/advisories/prime95-29-4b8-local-buffer-overflow-via-seh
Resource:
third-party-advisory
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:29 Apr, 2026 | 20:16
Updated At:30 Apr, 2026 | 15:48

Prime95 29.4b8 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting structured exception handling (SEH) mechanisms. Attackers can inject malicious payload through the optional proxy hostname field in the PrimeNet connection settings to trigger the overflow and execute system commands.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.6HIGH
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.18.4HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 8.4
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-120Primarydisclosure@vulncheck.com
CWE ID: CWE-120
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.exploit-db.com/exploits/44649disclosure@vulncheck.com
N/A
https://www.mersenne.org/disclosure@vulncheck.com
N/A
https://www.mersenne.org/download/#downloaddisclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/prime95-29-4b8-local-buffer-overflow-via-sehdisclosure@vulncheck.com
N/A
Hyperlink: https://www.exploit-db.com/exploits/44649
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.mersenne.org/
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.mersenne.org/download/#download
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/prime95-29-4b8-local-buffer-overflow-via-seh
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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wareqcm4290csrb31024_firmwareqcm6490_firmwarewsa8832_firmwaresdx50mqcn9070_firmwaresd480_firmwareipq6028_firmwareipq8072a_firmwareqcn9011sc8180x_firmwareipq8074_firmwareqca6574auqca9889_firmwaresd710sa8155p_firmwareqcn5122ipq9574wcd9341_firmwareqcm6125wsa8810wcn6856qcn5022sd768gipq6010_firmwareqca1064_firmwarewcn6740qca6696sd845_firmwaresa6150pqca8075qcn9022_firmwareqcn6024qcn9022sd845qca9990_firmwareipq8070aqcn9002_firmwareqcn6100qcn9072_firmwaresm7250pipq6000_firmwaresd720g_firmwareipq8071_firmwareqcn9074_firmwareqcs410_firmwaresw5100_firmwareipq4029sd850Snapdragon
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
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