CVE-2023-50469
Published: 15 December 2023
Summary
CVE-2023-50469 is a critical-severity Classic Buffer Overflow (CWE-120) vulnerability in Szlbt Lbt-T300-T310 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 6.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
Shenzhen Libituo Technology Co., Ltd LBT-T300-T310 firmware version 2.2.2.6 contains a buffer overflow vulnerability in the handling of the ApCliEncrypType parameter passed to the /apply.cgi endpoint. The flaw is tracked as CWE-120 and received a CVSS 3.1 base score of 9.8, reflecting that it can be reached over the network without authentication or user interaction.
An unauthenticated attacker with network access can supply a maliciously crafted ApCliEncrypType value to trigger the overflow. Successful exploitation can result in arbitrary code execution, memory corruption, or a complete device compromise, consistent with the high impact metrics for confidentiality, integrity, and availability.
Public references consist of a technical write-up and proof-of-concept hosted on GitHub; no vendor advisory, firmware update, or mitigation guidance is referenced in the available sources. The EPSS score has remained steady at 0.1011 since publication.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-55254
Vulnerability details
Shenzhen Libituo Technology Co., Ltd LBT-T300-T310 v2.2.2.6 was discovered to contain a buffer overflow via the ApCliEncrypType parameter at /apply.cgi.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.