How severe is CVE-2023-48801?

CVE-2023-48801 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-2023-48801 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48801?

CVE-2023-48801 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48801?

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-2023-48801 published?

CVE-2023-48801 was published on 2023-12-01 and last updated on 2026-06-17.

CVE-2023-48801

CVE-2023-48801 is a critical-severity vulnerability in Totolink X6000r 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Totolink X6000r Firmware
Published: 2023-12-01
Last modified: 2026-06-17

Description

In TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719, the shttpd file sub_415534 function obtains fields from the front-end, connects them through the snprintf function, and passes them to the CsteSystem function, resulting in a command execution vulnerability.

Frequently asked questions

What is CVE-2023-48801?: In TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719, the shttpd file sub_415534 function obtains fields from the front-end, connects them through the snprintf function, and passes them to the CsteSystem function, resulting in a command execution vulnerability.
How severe is CVE-2023-48801?: CVE-2023-48801 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-2023-48801 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48801?: CVE-2023-48801 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48801?: 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-2023-48801 published?: CVE-2023-48801 was published on 2023-12-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:x6000r_firmware:9.4.0cu.852_b20230719:*:*:*:*:*:*:*

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