How severe is CVE-2023-43885?

CVE-2023-43885 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-43885 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43885?

CVE-2023-43885 affects Tenda Rx9 Pro Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43885?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-43885 published?

CVE-2023-43885 was published on 2023-11-07 and last updated on 2026-06-17.

CVE-2023-43885

CVE-2023-43885 is a high-severity vulnerability in Tenda Rx9 Pro Firmware with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Tenda Rx9 Pro Firmware
Published: 2023-11-07
Last modified: 2026-06-17

Description

Missing error handling in the HTTP server component of Tenda RX9 Pro Firmware V22.03.02.20 allows authenticated attackers to arbitrarily lock the device.

Frequently asked questions

What is CVE-2023-43885?: Missing error handling in the HTTP server component of Tenda RX9 Pro Firmware V22.03.02.20 allows authenticated attackers to arbitrarily lock the device.
How severe is CVE-2023-43885?: CVE-2023-43885 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2023-43885 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43885?: CVE-2023-43885 affects Tenda Rx9 Pro Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43885?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-43885 published?: CVE-2023-43885 was published on 2023-11-07 and last updated on 2026-06-17.

References

https://blog.rtlcopymemory.com/tenda-rx9-pro/

Affected products (1)

cpe:2.3:o:tenda:rx9_pro_firmware:22.03.02.10:*:*:*:*:*:*:*

More vulnerabilities in Tenda Rx9 Pro Firmware

CVE-2022-38831 — Critical (CVSS 9.8): Tenda RX9_Pro V22.03.02.10 is vulnerable to Buffer Overflow via httpd/SetNetControlList
CVE-2022-38830 — Critical (CVSS 9.8): Tenda RX9_Pro V22.03.02.10 is vulnerable to Buffer Overflow via httpd/setIPv6Status.
CVE-2022-38829 — Critical (CVSS 9.8): Tenda RX9_Pro V22.03.02.10 is vulnerable to Buffer Overflow via httpd/setMacFilterCfg.
CVE-2024-10351 — High (CVSS 8.8): A vulnerability was found in Tenda RX9 Pro 22.03.02.20. It has been rated as critical. This issue affects the function…
CVE-2024-10283 — High (CVSS 8.8): A vulnerability, which was classified as critical, has been found in Tenda RX9 and RX9 Pro 22.03.02.20. Affected by…
CVE-2024-10282 — High (CVSS 8.8): A vulnerability classified as critical was found in Tenda RX9 and RX9 Pro 22.03.02.10/22.03.02.20. Affected by this…

All CVEs affecting Tenda Rx9 Pro Firmware →

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