EUVD-2026-26835Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
Lifecycle Timeline
7DescriptionCVE.org
A vulnerability was determined in AMTT Hotel Broadband Operation System 1.0. Affected is an unknown function of the file /manager/card/cardhand_submit.php. This manipulation of the argument ID causes sql injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
SQL injection in AMTT Hotel Broadband Operation System 1.0 allows authenticated remote attackers with high privileges to manipulate the ID argument in /manager/card/cardhand_submit.php, potentially extracting or modifying database contents. Publicly available exploit code exists, though the CVSS score of 4.7 reflects the requirement for authenticated administrative access, limiting real-world impact compared to unauthenticated SQL injection vulnerabilities.
Technical ContextAI
The vulnerability exists in the PHP-based hotel management application's card handling module. The /manager/card/cardhand_submit.php endpoint fails to properly sanitize or parameterize the ID parameter before incorporating it into SQL queries, violating secure coding practices for database interaction. CWE-89 (SQL Injection) root cause indicates insufficient input validation and reliance on string concatenation rather than prepared statements or parameterized queries. The CPE indicates all versions of AMTT Hotel Broadband Operation System are potentially vulnerable, with version 1.0 explicitly confirmed.
RemediationAI
No vendor-released patch identified at time of analysis. Given the vendor's non-responsiveness to early disclosure, remediation requires implementing immediate compensating controls: (1) Restrict network access to /manager/card/cardhand_submit.php through firewall or web application firewall rules, allowing only trusted administrative networks; (2) Implement parameterized queries or prepared statements in the vulnerable endpoint if source code access is available; (3) Deploy input validation to reject special SQL characters in the ID parameter, with specific allowlist patterns matching expected ID formats (numeric or alphanumeric); (4) Apply strict role-based access control to ensure only legitimate high-privilege users can reach the card management interface; (5) Monitor database query logs for suspicious patterns including UNION, SELECT, or comment sequences in ID parameters; (6) Consider upgrading to alternative hotel management software if no security update becomes available from vendor within 90 days. Each mitigation has trade-offs: firewall-based restriction may impact legitimate remote administrative access; input validation may affect legitimate card IDs with special characters; monitoring adds operational overhead without blocking attacks.
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External POC / Exploit Code
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