CVE-2018-25235
NetworkActiv Web Server 4.0 Username Field Buffer Overflow DoS
- State
- Published
- Severity
- 6.9 Medium
- Published
- Mar 30, 2026
- Updated
- Mar 30, 2026
- Reserved
- Mar 30, 2026
Description
NetworkActiv Web Server 4.0 contains a buffer overflow vulnerability in the username field of the Security options that allows local attackers to crash the application by supplying an excessively long string. Attackers can trigger a denial of service by entering a crafted username value exceeding the expected buffer size through the Set username interface.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.2 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
NetworkActiv Web ServerNetworkactiv |
|
References
- ExploitDB-45302exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: NetworkActiv Web Server 4.0 Username Field Buffer Overflow DoSthird-party-advisory
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