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CVE-2023-6919: Path Traversal: '/../filedir' vulnerability in Biges Safe Life Technologies Electronics Inc

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HIGH 7.5REMOTEUPGRADEUPGRADEUPGRADE

CVE-2023-6919 is a high-severity flaw (CVSS 7.5) affecting vg-4c1a-lru firmware, vg-4c1a-lrpu firmware, vg-255a-bf firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Path Traversal: '/../filedir' vulnerability in Biges Safe Life Technologies Electronics Inc. VGuard allows Absolute Path Traversal. This issue affects VGuard: before V500.0003.R008.4011.C0012.B351.C.

Why this priority

  • High severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.6% (top 52%)
CISA exploited listNo
WeaknessCWE-25
Published2024-01-26
Last modified2026-06-17
Publisher (CNA): Computer Emergency Response Team of the Republic of Turkey · Vendor: biges

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

biges vg-4c1a-lru firmware UPGRADE
Affected: < 500.0003.r008.4011.c0012.b351.c
Fixed in: 500.0003.r008.4011.c0012.b351.c
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
biges vg-4c1a-lrpu firmware UPGRADE
Affected: < 500.0003.r008.4011.c0012.b351.c
Fixed in: 500.0003.r008.4011.c0012.b351.c
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
biges vg-255a-bf firmware UPGRADE
Affected: < 500.0003.r008.4011.c0012.b351.c
Fixed in: 500.0003.r008.4011.c0012.b351.c
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
biges vg-255-bv firmware UPGRADE
Affected: < 500.0003.r008.4011.c0012.b351.c
Fixed in: 500.0003.r008.4011.c0012.b351.c
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
biges vg-255-df firmware UPGRADE
Affected: < 500.0003.r008.4011.c0012.b351.c
Fixed in: 500.0003.r008.4011.c0012.b351.c
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
biges vg-64c8rd-nvr firmware UPGRADE
Affected: < 500.0003.r008.4011.c0012.b351.c
Fixed in: 500.0003.r008.4011.c0012.b351.c
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-6919?

vg-4c1a-lru firmware: upgrade to 500.0003.r008.4011.c0012.b351.c; vg-4c1a-lrpu firmware: upgrade to 500.0003.r008.4011.c0012.b351.c; vg-255a-bf firmware: upgrade to 500.0003.r008.4011.c0012.b351.c. Exact commands for each OS are on this page.

Is CVE-2023-6919 being exploited?

CVE-2023-6919 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-6919 affect?

CVE-2023-6919 affects vg-4c1a-lru firmware, vg-4c1a-lrpu firmware, vg-255a-bf firmware. Severity is high (CVSS 7.5). Path Traversal: '/../filedir' vulnerability in Biges Safe Life Technologies Electronics Inc. VGuard allows Absolute Path Traversal. This issue affects VGuard: before V500.0003.R008.4011.C0012.B351.C.

How urgent is CVE-2023-6919?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

References

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