CVE-2023-38933 is a critical-severity flaw (CVSS 9.8) affecting ac10 firmware, ac1206 firmware, ac6 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Tenda AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6 and AC9 V3.0 V15.03.06.42_multi, and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the deviceId parameter in the formSetClientState function.
Why this priority
Critical 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
tenda ac10 firmware MITIGATE
Affected: 15.03.06.23
Fixed in: no fixed release known
Safe to downgrade to: a release before 15.03.06.23
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.
tenda ac1206 firmware MITIGATE
Affected: 15.03.06.23
Fixed in: no fixed release known
Safe to downgrade to: a release before 15.03.06.23
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.
tenda ac6 firmware MITIGATE
Affected: 15.03.06.23
Fixed in: no fixed release known
Safe to downgrade to: a release before 15.03.06.23
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.
tenda ac7 firmware MITIGATE
Affected: 15.03.06.44
Fixed in: no fixed release known
Safe to downgrade to: a release before 15.03.06.44
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.
tenda f1203 firmware MITIGATE
Affected: 2.0.1.6
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.0.1.6
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.
tenda ac5 firmware MITIGATE
Affected: 15.03.06.28
Fixed in: no fixed release known
Safe to downgrade to: a release before 15.03.06.28
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-2023-38933?
ac10 firmware: mitigate or apply the listed mitigation; ac1206 firmware: mitigate or apply the listed mitigation; ac6 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2023-38933 being exploited?
CVE-2023-38933 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-2023-38933 affect?
CVE-2023-38933 affects ac10 firmware, ac1206 firmware, ac6 firmware. Severity is critical (CVSS 9.8). Tenda AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6 and AC9 V3.0 V15.03.06.42_multi, and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the deviceId parameter in t
How urgent is CVE-2023-38933?
Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action
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