How severe is CVE-2023-49909?

CVE-2023-49909 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-49909 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49909?

CVE-2023-49909 affects Tp-link Eap225 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49909?

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.

Does CVE-2023-49909 have an EU (EUVD) identifier?

Yes. CVE-2023-49909 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53807.

When was CVE-2023-49909 published?

CVE-2023-49909 was published on 2024-04-09 and last updated on 2026-06-17.

CVE-2023-49909

CVE-2023-49909 is a high-severity vulnerability in Tp-link Eap225 Firmware with a CVSS 3.x base score of 7.2. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53807
Weakness: CWE-787
Affected product: Tp-link Eap225 Firmware
Published: 2024-04-09
Last modified: 2026-06-17

Description

A stack-based buffer overflow vulnerability exists in the web interface Radio Scheduling functionality of Tp-Link AC1350 Wireless MU-MIMO Gigabit Access Point (EAP225 V3) v5.1.0 Build 20220926. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.This vulnerability refers specifically to the overflow that occurs via the `action` parameter at offset `0x0045ab38` of the `httpd_portal` binary shipped with v5.1.0 Build 20220926 of the EAP225.

Frequently asked questions

What is CVE-2023-49909?: A stack-based buffer overflow vulnerability exists in the web interface Radio Scheduling functionality of Tp-Link AC1350 Wireless MU-MIMO Gigabit Access Point (EAP225 V3) v5.1.0 Build 20220926. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.This vulnerability refers specifically to the overflow that occurs via the `action` parameter at offset `0x0045ab38` of the `httpd_portal` binary shipped with v5.1.0 Build 20220926 of the EAP225.
How severe is CVE-2023-49909?: CVE-2023-49909 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-49909 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49909?: CVE-2023-49909 affects Tp-link Eap225 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49909?: 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.
Does CVE-2023-49909 have an EU (EUVD) identifier?: Yes. CVE-2023-49909 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53807.
When was CVE-2023-49909 published?: CVE-2023-49909 was published on 2024-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tp-link:eap225_firmware:5.1.0:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Eap225 Firmware

CVE-2023-49134 — High (CVSS 8.1): A command execution vulnerability exists in the tddpd enable_test_mode functionality of Tp-Link AC1350 Wireless MU-MIMO…
CVE-2023-49133 — High (CVSS 8.1): A command execution vulnerability exists in the tddpd enable_test_mode functionality of Tp-Link AC1350 Wireless MU-MIMO…
CVE-2023-48724 — High (CVSS 7.5): A memory corruption vulnerability exists in the web interface functionality of Tp-Link AC1350 Wireless MU-MIMO Gigabit…
CVE-2023-49074 — High (CVSS 7.4): A denial of service vulnerability exists in the TDDP functionality of Tp-Link AC1350 Wireless MU-MIMO Gigabit Access…
CVE-2023-49913 — High (CVSS 7.2): A stack-based buffer overflow vulnerability exists in the web interface Radio Scheduling functionality of Tp-Link…
CVE-2023-49912 — High (CVSS 7.2): A stack-based buffer overflow vulnerability exists in the web interface Radio Scheduling functionality of Tp-Link…

All CVEs affecting Tp-link Eap225 Firmware →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →