CVE-2026-57877
GV-LPC2011/LPC2211 - unauthorized format string vulnerability (vlsvr)
Description
An unauthenticated format string vulnerability exists in vlsvr in GeoVision GV-LPC2011 and GV-LPC2211 V1.12 and earlier. The vulnerability is caused by improper handling of externally controlled input during log message formatting in the login processing path. A remote attacker may exploit this vulnerability by sending crafted login data, potentially causing information disclosure, memory corruption, or a denial of service.
INFO
Published Date :
June 26, 2026, 8:16 a.m.
Last Modified :
June 26, 2026, 4:16 p.m.
Remotely Exploit :
Yes !
Source :
0df08a0e-a200-4957-9bb0-084f562506f9
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 0df08a0e-a200-4957-9bb0-084f562506f9 |
Solution
- Update vlsvr to version 1.13 or later.
- Sanitize all user-supplied input used in log formatting.
- Review and validate all log message formatting logic.
- Implement strict input validation for login data.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-57877.
| URL | Resource |
|---|---|
| https://www.geovision.com.tw/cyber_security.php |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-57877 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-57877
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-57877 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-57877 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 26, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-57877', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-26T15:40:21.120395Z'} -
New CVE Received by 0df08a0e-a200-4957-9bb0-084f562506f9
Jun. 26, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'GeoVision Inc.', 'product': 'GV-LPCLPC2011/2211', 'versions': [{'status': 'affected', 'version': '1.12'}, {'status': 'unaffected', 'version': '1.13'}], 'platforms': ['Linux'], 'defaultStatus': 'unaffected'}] Added Description An unauthenticated format string vulnerability exists in vlsvr in GeoVision GV-LPC2011 and GV-LPC2211 V1.12 and earlier. The vulnerability is caused by improper handling of externally controlled input during log message formatting in the login processing path. A remote attacker may exploit this vulnerability by sending crafted login data, potentially causing information disclosure, memory corruption, or a denial of service. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H Added CWE CWE-134 Added Reference https://www.geovision.com.tw/cyber_security.php