How severe is CVE-2023-48808?

CVE-2023-48808 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-2023-48808 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48808?

CVE-2023-48808 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48808?

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-2023-48808 published?

CVE-2023-48808 was published on 2023-11-30 and last updated on 2026-06-17.

CVE-2023-48808

CVE-2023-48808 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Totolink X6000r Firmware
Published: 2023-11-30
Last modified: 2026-06-17

Description

In TOTOLINK X6000R V9.4.0cu.852_B20230719, the shttpd file, sub_4119A0 function obtains fields from the front-end through Uci_ Set_ The Str function when passed to the CsteSystem function creates a command execution vulnerability.

Frequently asked questions

What is CVE-2023-48808?: In TOTOLINK X6000R V9.4.0cu.852_B20230719, the shttpd file, sub_4119A0 function obtains fields from the front-end through Uci_ Set_ The Str function when passed to the CsteSystem function creates a command execution vulnerability.
How severe is CVE-2023-48808?: CVE-2023-48808 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-2023-48808 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48808?: CVE-2023-48808 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48808?: 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-2023-48808 published?: CVE-2023-48808 was published on 2023-11-30 and last updated on 2026-06-17.

References

https://www.notion.so/X6000R-sub_4119A0-9-075ccc78275a4381a65e114eb1fddd6e?pvs=4

Affected products (1)

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

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