PatchSiren cyber security CVE debrief
CVE-2018-25339 Unknown Vendor CVE debrief
CVE-2018-25339 is a high-severity SQL injection issue described in the supplied corpus as affecting Zechat 1.5. The vulnerability is in the v parameter and can be exploited without authentication. The description specifically notes time-based blind techniques, including sleep-based probing, to confirm the flaw and extract database information. Defenders should treat exposed instances as high risk because the attack is network-reachable, low-complexity, and does not require user interaction.
- Vendor
- Unknown Vendor
- Product
- Unknown
- CVSS
- HIGH 8.8
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-05-17
- Original CVE updated
- 2026-05-18
- Advisory published
- 2026-05-17
- Advisory updated
- 2026-05-18
Who should care
Administrators, developers, and security teams responsible for Zechat 1.5 deployments, especially internet-facing systems and applications that process sensitive database-backed data.
Technical summary
The supplied NVD-backed record maps this issue to CWE-89 and describes an SQL injection in the v parameter. The provided CVSS 4.0 vector indicates network attackability, low complexity, no privileges required, and no user interaction. The stated impact is primarily confidentiality exposure, with some integrity impact, consistent with database extraction through time-based blind SQL injection.
Defensive priority
High. The issue is remotely exploitable, unauthenticated, and low complexity, so exposed Zechat 1.5 deployments should be prioritized for review and remediation.
Recommended defensive actions
- Inventory all Zechat 1.5 deployments and confirm whether the v parameter is reachable in production.
- Apply a vendor fix or upgrade if one is available; if not, remove exposure or isolate the application until a fix can be deployed.
- Review the code path handling the v parameter and replace any dynamic SQL with parameterized queries or prepared statements.
- Add strict allow-list validation for expected parameter formats, but do not rely on validation alone as the primary defense.
- Inspect logs and database telemetry for repeated requests with timing anomalies that may indicate blind SQL injection testing.
- If there is any sign of exploitation, rotate relevant database credentials and assess what data may have been accessed.
Evidence notes
The supplied corpus states that CVE-2018-25339 affects Zechat 1.5 and that the v parameter is vulnerable to unauthenticated SQL injection using time-based blind techniques. The NVD record in the corpus marks the status as 'Received' and includes references to bylancer.com, Exploit-DB, and a VulnCheck advisory. No remediation details or fixed-version information were provided in the supplied source corpus.
Official resources
Publicly disclosed vulnerability. The supplied corpus does not include a KEV listing or ransomware association.