How severe is CVE-2024-34257?

CVE-2024-34257 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-2024-34257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-34257?

CVE-2024-34257 affects Totolink Ex1800t Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-34257?

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.

Does CVE-2024-34257 have an EU (EUVD) identifier?

Yes. CVE-2024-34257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34717.

When was CVE-2024-34257 published?

CVE-2024-34257 was published on 2024-05-08 and last updated on 2026-06-17.

CVE-2024-34257

CVE-2024-34257 is a critical-severity vulnerability in Totolink Ex1800t 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-285.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34717
Weakness: CWE-285
Affected product: Totolink Ex1800t Firmware
Published: 2024-05-08
Last modified: 2026-06-17

Description

TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized execution of arbitrary commands, allowing an attacker to obtain device administrator privileges.

Frequently asked questions

What is CVE-2024-34257?: TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized execution of arbitrary commands, allowing an attacker to obtain device administrator privileges.
How severe is CVE-2024-34257?: CVE-2024-34257 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-2024-34257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-34257?: CVE-2024-34257 affects Totolink Ex1800t Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-34257?: 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.
Does CVE-2024-34257 have an EU (EUVD) identifier?: Yes. CVE-2024-34257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34717.
When was CVE-2024-34257 published?: CVE-2024-34257 was published on 2024-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:ex1800t_firmware:9.1.0cu.2112_b20220316:*:*:*:*:*:*:*

More vulnerabilities in Totolink Ex1800t Firmware

CVE-2023-52026 — Critical (CVSS 9.8): TOTOlink EX1800T V9.1.0cu.2112_B20220316 was discovered to contain a remote command execution (RCE) vulnerability via…
CVE-2023-51022 — Critical (CVSS 9.8): TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the…
CVE-2023-51021 — Critical (CVSS 9.8): TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘merge’…
CVE-2023-51020 — Critical (CVSS 9.8): TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the…
CVE-2023-51019 — Critical (CVSS 9.8): TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘key5g’…
CVE-2023-51018 — Critical (CVSS 9.8): TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘opmode’…

All CVEs affecting Totolink Ex1800t Firmware →

Other CWE-285 (Improper Authorization) vulnerabilities

CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
CVE-2026-34048 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…

Browse all CWE-285 (Improper Authorization) vulnerabilities →