A vulnerability classified as critical was found in Lizardsystems Terminal Services Manager 3.1 . Affected by this vulnerability is an unknown functionality. The manipulation of the argument computer names results in stack-based buffer overflow. This vulnerability is cataloged as CVE-2018-25259 . The attack must be initiated from a local position. Furthermore, there is an exploit available.
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✦ AI Summary· Claude Sonnet
VDB-358975 · CVE-2018-25259 · EXPLOIT 46058
LIZARDSYSTEMS TERMINAL SERVICES MANAGER 3.1 COMPUTER NAMES STACK-BASED OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
6.6 $0-$5k 0.74+
Summaryinfo
A vulnerability, which was classified as critical, has been found in Lizardsystems Terminal Services Manager 3.1. Affected by this issue is some unknown functionality. This manipulation of the argument computer names causes stack-based overflow. This vulnerability is registered as CVE-2018-25259. The attack needs to be launched locally. Furthermore, an exploit is available.
Detailsinfo
A vulnerability classified as critical was found in Lizardsystems Terminal Services Manager 3.1. Affected by this vulnerability is an unknown functionality. The manipulation of the argument computer names with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Terminal Services Manager 3.1 contains a stack-based buffer overflow vulnerability in the computer names field that allows local attackers to execute arbitrary code by triggering structured exception handling. Attackers can craft a malicious input file with shellcode and jump instructions that overwrite the SEH handler pointer to execute calc.exe or other payloads when imported through the add computers wizard.
The weakness was published by bzyo as 46058. It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2018-25259 since 04/22/2026. The exploitation appears to be easy. Attacking locally is a requirement. Technical details and also a public exploit are known.
It is possible to download the exploit 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
Lizardsystems
Name
Terminal Services Manager
Version
3.1
CPE 2.3info
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CPE 2.2info
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CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3info
VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.4
CNA Vector (VulnCheck): 🔒
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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
04/22/2026 Advisory disclosed
04/22/2026 +0 days CVE reserved
04/22/2026 +0 days VulDB entry created
04/22/2026 +0 days VulDB entry last update
Sourcesinfo
Advisory: 46058
Researcher: bzyo
Status: Not defined
CVE: CVE-2018-25259 (🔒)
GCVE (CVE): GCVE-0-2018-25259
GCVE (VulDB): GCVE-100-358975
scip Labs: https://www.scip.ch/en/?labs.20161013
Entryinfo
Created: 04/22/2026 17:35
Changes: 04/22/2026 17:35 (79)
Complete: 🔍
Cache ID: 99:309:101
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