CVE-2018-25220 | BOCHS 2.6-5 out-of-bounds write (Exploit 43979 / EUVD-2018-21698)

VDB-354084 · CVE-2018-25220 · EXPLOIT 43979 BOCHS 2.6-5 OUT-OF-BOUNDS WRITE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 8.2 $0-$5k 2.74+ Summaryinfo A vulnerability labeled as critical has been found in BOCHS 2.6-5. Impacted is an unknown function. The manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2018-25220. The attack may be launched remotely. Furthermore, there is an exploit available. Detailsinfo A vulnerability was found in BOCHS 2.6-5. It has been classified as critical. Affected is an unknown part. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes: Bochs 2.6-5 contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying an oversized input string to the application. Attackers can craft a malicious payload with 1200 bytes of padding followed by a return-oriented programming chain to overwrite the instruction pointer and execute shell commands with application privileges. The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2018-25220 since 03/28/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. 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. The vulnerability is also documented in the databases at Exploit-DB (43979) and EUVD (EUVD-2018-21698). Productinfo Name BOCHS Version 2.6-5 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: 8.5 VulDB Meta Temp Score: 8.2 VulDB Base Score: 7.3 VulDB Temp Score: 6.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.8 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: Out-of-bounds write CWE: CWE-787 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 EPSS Score: 🔒 EPSS Percentile: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Exploit-DB: 🔒 Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/28/2026 Advisory disclosed 03/28/2026 +0 days CVE reserved 03/28/2026 +0 days VulDB entry created 03/28/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 43979 Status: Not defined CVE: CVE-2018-25220 (🔒) GCVE (CVE): GCVE-0-2018-25220 GCVE (VulDB): GCVE-100-354084 EUVD: 🔒 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/28/2026 21:48 Updated: 03/28/2026 22:04 Changes: 03/28/2026 21:48 (78), 03/28/2026 22:04 (1) Complete: 🔍 Cache ID: 99:3F0:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸