How severe is CVE-2024-28639?

CVE-2024-28639 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-2024-28639 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-28639?

CVE-2024-28639 primarily affects Totolink X5000r Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-28639?

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-2024-28639 have an EU (EUVD) identifier?

Yes. CVE-2024-28639 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25734.

When was CVE-2024-28639 published?

CVE-2024-28639 was published on 2024-03-16 and last updated on 2026-06-17.

CVE-2024-28639

CVE-2024-28639 is a critical-severity vulnerability in Totolink X5000r 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-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-25734
Weakness: CWE-120
Affected product: Totolink X5000r Firmware
Published: 2024-03-16
Last modified: 2026-06-17

Description

Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R V9.1.0u.6115-B20201022, allow remote attackers to execute arbitrary code and cause a denial of service (DoS) via the IP field.

Frequently asked questions

What is CVE-2024-28639?: Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R V9.1.0u.6115-B20201022, allow remote attackers to execute arbitrary code and cause a denial of service (DoS) via the IP field.
How severe is CVE-2024-28639?: CVE-2024-28639 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-2024-28639 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-28639?: CVE-2024-28639 primarily affects Totolink X5000r Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-28639?: 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-2024-28639 have an EU (EUVD) identifier?: Yes. CVE-2024-28639 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25734.
When was CVE-2024-28639 published?: CVE-2024-28639 was published on 2024-03-16 and last updated on 2026-06-17.

References

https://github.com/ZIKH26/CVE-information/blob/master/TOTOLINK/Vulnerability%20Information_1.md

Affected products (2)

cpe:2.3:o:totolink:x5000r_firmware:9.1.0u.6118_b20201102:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a7000r_firmware:9.1.0u.6115_b20201022:*:*:*:*:*:*:*

More vulnerabilities in Totolink X5000r Firmware

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CVE-2024-32353 — Critical (CVSS 9.8): TOTOLINK X5000R V9.1.0cu.2350_B20230313 was discovered to contain a command injection vulnerability via the 'port'…
CVE-2023-45984 — Critical (CVSS 9.8): TOTOLINK X5000R V9.1.0u.6118_B20201102 and TOTOLINK A7000R V9.1.0u.6115_B20201022 was discovered to contain a stack…
CVE-2023-36950 — Critical (CVSS 9.8): TOTOLINK X5000R V9.1.0u.6118_B20201102 and TOTOLINK A7000R V9.1.0u.6115_B20201022 was discovered to contain a stack…
CVE-2023-36947 — Critical (CVSS 9.8): TOTOLINK X5000R V9.1.0u.6118_B20201102 and TOTOLINK A7000R V9.1.0u.6115_B20201022 was discovered to contain a stack…

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