How severe is CVE-2023-49004?

CVE-2023-49004 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-49004 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49004?

CVE-2023-49004 affects Dlink Dir-850l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49004?

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

When was CVE-2023-49004 published?

CVE-2023-49004 was published on 2023-12-19 and last updated on 2026-06-17.

CVE-2023-49004

CVE-2023-49004 is a critical-severity vulnerability in Dlink Dir-850l Firmware with a CVSS 3.x base score of 9.8. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Dlink Dir-850l Firmware
Published: 2023-12-19
Last modified: 2026-06-17

Description

An issue in D-Link DIR-850L v.B1_FW223WWb01 allows a remote attacker to execute arbitrary code via a crafted script to the en parameter.

Frequently asked questions

What is CVE-2023-49004?: An issue in D-Link DIR-850L v.B1_FW223WWb01 allows a remote attacker to execute arbitrary code via a crafted script to the en parameter.
How severe is CVE-2023-49004?: CVE-2023-49004 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-49004 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49004?: CVE-2023-49004 affects Dlink Dir-850l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49004?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-49004 published?: CVE-2023-49004 was published on 2023-12-19 and last updated on 2026-06-17.

References

https://github.com/ef4tless/vuln/blob/master/iot/DIR-850L/bug1.md

Affected products (1)

cpe:2.3:o:dlink:dir-850l_firmware:fw223wwb01:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-850l Firmware

CVE-2018-20675 — Critical (CVSS 9.8): D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B*…
CVE-2016-6563 — Critical (CVSS 9.8): Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some…
CVE-2018-9032 — Critical (CVSS 9.8): An authentication bypass vulnerability on D-Link DIR-850L Wireless AC1200 Dual Band Gigabit Cloud Router (Hardware…
CVE-2017-14429 — Critical (CVSS 9.8): The DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware…
CVE-2017-14421 — Critical (CVSS 9.8): D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices have a hardcoded password of…
CVE-2017-14417 — Critical (CVSS 9.8): register_send.php on D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices does not require authentication,…

All CVEs affecting Dlink Dir-850l Firmware →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-76605 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Remote code execution via image element in Fabrik < 4.7.3 - ???.
CVE-2026-76604 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Unauthenticated remote code execution via PHP form element in Fabrik < 4.7.3 - The…
CVE-2026-67364 — Critical (CVSS 10.0): Joomla Extension - balbooa.com - Pre-auth PHP Code Injection in Balbooa Forms < 2.4.3.2 - CWE-94 / CWE-95 | CVSS 3.1:…
CVE-2026-73343 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in WP Compress < 7.20.01 versions.
CVE-2026-74253 — Critical (CVSS 10.0): Joomla Extension - regularlabs.com - Unauthenticated RCE through unverified reflected user input in Sourcerer < 14.0.0…
CVE-2026-73678 — Critical (CVSS 10.0): MindsDB Minds Platform version 26.1.0 and earlier contains an unauthenticated remote code execution vulnerability that…

Browse all CWE-94 (Code Injection) vulnerabilities →