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CVE-2023-48801· NVD / CVE Program· CNA mitre

In TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719, the shttpd file sub_415534 function obtains fields from the front-end, connects them thr

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.

CriticalCVSS 9.8 · v3.1—No exploit No fix recorded
Published
Dec 1, 2023
Updated
Jun 17, 2026
EPSS
1.7% · 76th percentile
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Report tools

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Action score

40

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 1.7%

CISA SSVC decision

Exploitation
proof of concept
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
totolinkx6000r firmware
totolinkx6000r

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • totolink x6000r firmware9.4.0cu.852_b20230719

Same product

totolink: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-1781Totolink X6000R AX3000 shttpd cstecgi.cgi setWizardCfg command injection
    43Plan
  • CVE-2025-52906TOTOLINK X6000R Command Injection Vulnerability
    41Plan
  • CVE-2025-52053TOTOLINK X6000R V9.4.0cu.1360_B20241207 was found to contain a command injection vulnerability in the sub_417D74 function via the file_name
    40Plan
  • CVE-2023-50651TOTOLINK X6000R v9.4.0cu.852_B20230719 was discovered to contain a remote command execution (RCE) vulnerability via the component /cgi-bin/c
    40Plan
  • CVE-2023-46424TOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_422BD4 function.
    40Plan
  • CVE-2023-46423TOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_417094 function.
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2024-178183 days apartTotolink X6000R AX3000 shttpd cstecgi.cgi setWizardCfg command injection
    43Plan
  • CVE-2023-4641837 days apartTOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_412688 function.
    40Plan
  • CVE-2023-4641937 days apartTOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_415730 function.
    40Plan
  • CVE-2023-4642137 days apartTOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_411D00 function.
    40Plan
  • CVE-2023-4642237 days apartTOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_411994 function.
    40Plan
  • CVE-2023-4642337 days apartTOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_417094 function.
    40Plan

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

All records