CVE-2025-6763: A vulnerability was found in Comet System T0510, T3510, T3511, T4511, T6640, T7511, T7611, P8510, P8552 and H3
56
This week
HIGH 8.1REMOTEMITIGATEMITIGATEMITIGATE
CVE-2025-6763 is a high-severity flaw (CVSS 8.1) affecting t7611 firmware, t4511 firmware, t0510 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability was found in Comet System T0510, T3510, T3511, T4511, T6640, T7511, T7611, P8510, P8552 and H3531 1.60. Affected by this issue is some unknown functionality of the file /setupA.cfg of the component Web-based Management Interface. Performing manipulation results in missing authentication. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitation is known to be difficult. The exploi
Why this priority
High severity
Public exploit reference
Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
Published CVE record published
Updated Record last modified
cometsystem t7611 firmware MITIGATE
Affected: 1-5-7-5.1252
Fixed in: no fixed release known
Safe to downgrade to: a release before 1-5-7-5.1252
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.
cometsystem t4511 firmware MITIGATE
Affected: 1-5-7-5.1252
Fixed in: no fixed release known
Safe to downgrade to: a release before 1-5-7-5.1252
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.
cometsystem t0510 firmware MITIGATE
Affected: 1-5-7-5.1252
Fixed in: no fixed release known
Safe to downgrade to: a release before 1-5-7-5.1252
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.
cometsystem t6640 firmware MITIGATE
Affected: 1-5-7-5.1252
Fixed in: no fixed release known
Safe to downgrade to: a release before 1-5-7-5.1252
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.
cometsystem t3510 firmware MITIGATE
Affected: 1-5-7-5.1252
Fixed in: no fixed release known
Safe to downgrade to: a release before 1-5-7-5.1252
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.
cometsystem t7511 firmware MITIGATE
Affected: 1-5-7-5.1251
Fixed in: no fixed release known
Safe to downgrade to: a release before 1-5-7-5.1251
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 sourceNVD · 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-2025-6763?
t7611 firmware: mitigate or apply the listed mitigation; t4511 firmware: mitigate or apply the listed mitigation; t0510 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2025-6763 being exploited?
CVE-2025-6763 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-2025-6763 affect?
CVE-2025-6763 affects t7611 firmware, t4511 firmware, t0510 firmware. Severity is high (CVSS 8.1). A vulnerability was found in Comet System T0510, T3510, T3511, T4511, T6640, T7511, T7611, P8510, P8552 and H3531 1.60. Affected by this issue is some unknown functionality of the file /setupA.cfg of the component Web-based Management Inter
How urgent is CVE-2025-6763?
Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
PatchTheCVE