MicroWord eScan Antivirus mwav.conf ReadConfiguration buffer overflow

published 2025-02-17 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-2126

cvss: 2.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits: 0; none known

A vulnerability was found in MicroWord eScan Antivirus 7.0.32 on Linux. It has been declared as problematic. This vulnerability affects the function ReadConfiguration of the file /opt/MicroWorld/etc/mwav.conf. The manipulation of the argument BasePath leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 20 mo ago (2025-02-18)

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/dmknght/FIS_RnD/blob/main/escan_av_usb_protection_multiple_vulns.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.6	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA	3.1	2.3	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CNA	3.0	2.3	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CNA	2.0	1.4	AV:L/AC:L/Au:M/C:N/I:N/A:P
CNA	4.0	4.6	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/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

Affected products

MicroWord eScan Antivirus

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

github.com /dmknght/FIS_RnD/blob/main/escan_av_usb_protection_multiple_vulns.md
exploit, third-party-advisory
vuldb.com /?id.295972
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.295972
signature, permissions-required, third-party-advisory, vdb-entry

Sources

CVE List CVE-2025-1368
NVD CVE-2025-1368

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary