CVE-2018-25293 | Mersenne Prime95 29.4b7 optional proxy password buffer overflow (Exploit 45226)

VDB-359703 · CVE-2018-25293 · EXPLOIT 45226 MERSENNE PRIME95 29.4B7 OPTIONAL PROXY PASSWORD BUFFER OVERFLOW HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.6 $0-$5k 2.72+ Summaryinfo A vulnerability, which was classified as critical, has been found in Mersenne Prime95 29.4b7. This vulnerability affects unknown code. Performing a manipulation of the argument optional proxy password results in buffer overflow. This vulnerability was named CVE-2018-25293. The attack needs to be approached locally. In addition, an exploit is available. Detailsinfo A vulnerability classified as problematic has been found in Mersenne Prime95 29.4b7. This affects an unknown functionality. The manipulation of the argument optional proxy password with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability. The summary by CVE is: Prime95 29.4b7 contains a buffer overflow vulnerability in the PrimeNet connection dialog that allows local attackers to crash the application by supplying an excessively long string in the optional proxy password field. Attackers can trigger a denial of service by entering a 6000-byte payload into the proxy password parameter, causing the application to crash when processing the connection settings. The weakness was presented by Gionathan Reale as 45226. It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2018-25293 since 04/26/2026. The exploitability is told to be easy. Attacking locally is a requirement. Technical details and a public exploit are known. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor Mersenne Name Prime95 Version 29.4b7 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: 4.7 VulDB Meta Temp Score: 4.6 VulDB Base Score: 3.3 VulDB Temp Score: 3.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.2 CNA Vector (VulnCheck): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Buffer overflow CWE: CWE-120 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/26/2026 Advisory disclosed 04/26/2026 +0 days CVE reserved 04/26/2026 +0 days VulDB entry created 04/26/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 45226 Researcher: Gionathan Reale Status: Not defined CVE: CVE-2018-25293 (🔒) GCVE (CVE): GCVE-0-2018-25293 GCVE (VulDB): GCVE-100-359703 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/26/2026 16:11 Changes: 04/26/2026 16:11 (79) Complete: 🔍 Cache ID: 99:082:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸