CVE-2023-37716: Tenda F1202 V1.0BR_V1.2.0.20(408) and FH1202_V1.2.0.19_EN, AC10 V1.0, AC1206 V1.0, AC7 V1.0, AC5 V1.0, and AC9

This week

CRITICAL 9.8REMOTEMITIGATEMITIGATEMITIGATE

CVE-2023-37716 is a critical-severity flaw (CVSS 9.8) affecting f1202 firmware, fh1202 firmware, ac10 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Tenda F1202 V1.0BR_V1.2.0.20(408) and FH1202_V1.2.0.19_EN, AC10 V1.0, AC1206 V1.0, AC7 V1.0, AC5 V1.0, and AC9 V3.0 were discovered to contain a stack overflow in the page parameter in the function fromNatStaticSetting.

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.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-787
Published	2023-07-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tenda

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

Am I affected?

Timeline

2023-07-14 00:15 UTCPublished CVE record published
2026-06-17 06:08 UTCUpdated Record last modified

tenda f1202 firmware MITIGATE

Affected: 1.2.0.20\(408\) · 1.0br

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0br

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 fh1202 firmware MITIGATE

Affected: 1.2.0.19_en

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.0.19_en

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 ac10 firmware MITIGATE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

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: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

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: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

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: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

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-2023-37716?

f1202 firmware: mitigate or apply the listed mitigation; fh1202 firmware: mitigate or apply the listed mitigation; ac10 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-37716 being exploited?

CVE-2023-37716 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-2023-37716 affect?

CVE-2023-37716 affects f1202 firmware, fh1202 firmware, ac10 firmware. Severity is critical (CVSS 9.8). Tenda F1202 V1.0BR_V1.2.0.20(408) and FH1202_V1.2.0.19_EN, AC10 V1.0, AC1206 V1.0, AC7 V1.0, AC5 V1.0, and AC9 V3.0 were discovered to contain a stack overflow in the page parameter in the function fromNatStaticSetting.

How urgent is CVE-2023-37716?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-3878 HIGH 8.8 MITIGATE A vulnerability, which was classified as critical, has been found in Tenda F1202 1.2.0.20(408)
CVE-2024-3877 HIGH 8.8 MITIGATE A vulnerability classified as critical was found in Tenda F1202 1.2.0.20(408)
CVE-2024-3876 HIGH 8.8 MITIGATE A vulnerability classified as critical has been found in Tenda F1202 1.2.0.20(408)
CVE-2024-3875 HIGH 8.8 MITIGATE A vulnerability was found in Tenda F1202 1.2.0.20(408)
CVE-2024-30639 MEDIUM 6.5 MITIGATE Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability in the page parameter of fromAddressNat function

References

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